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HOU · 2025 transactions
Data through 2026-10-05
| Date | Player | Type | Detail |
|---|---|---|---|
| Dec 27 | Sam Carlson | Signed as Free Agent | Houston Astros signed free agent RHP Sam Carlson to a minor league contract. |
| Dec 20 | Christian Roa | Signed as Free Agent | Houston Astros signed free agent RHP Christian Roa to a minor league contract. |
| Dec 19 | Mike Burrows | Trade | Pittsburgh Pirates traded RHP Mike Burrows to Houston Astros. |
| Dec 19 | Jacob Melton | Trade | Houston Astros traded LF Jacob Melton and RHP Anderson Brito to Tampa Bay Rays. |
| Dec 18 | Jax Biggers | Signed as Free Agent | Houston Astros signed free agent 2B Jax Biggers to a minor league contract. |
| Dec 15 | Kelvin Herrera | Signed as Free Agent | Houston Astros signed free agent RHP Kelvin Herrera to a minor league contract. |
| Dec 15 | Antony Constanza | Signed as Free Agent | Houston Astros signed free agent RHP Antony Constanza to a minor league contract. |
| Dec 13 | Dahel Lopez | Signed as Free Agent | Houston Astros signed free agent RHP Dahel Lopez to a minor league contract. |
| Dec 12 | Cristian Ron | Signed as Free Agent | Houston Astros signed free agent RHP Cristian Ron to a minor league contract. |
| Dec 12 | Frederi Altagracia | Signed as Free Agent | Houston Astros signed free agent RHP Frederi Altagracia to a minor league contract. |
| Dec 10 | Edwin Sanchez | Rule 5 Draft Minors | Houston Astros purchased contract of RF Edwin Sanchez in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Trey McLoughlin | Rule 5 Draft Minors | Houston Astros purchased contract of RHP Trey McLoughlin in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Abel Mercedes | Rule 5 Draft Minors | Athletics purchased contract of RHP Abel Mercedes in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Roddery Muñoz | Rule 5 Selection | Houston Astros purchased contract of RHP Roddery Muñoz in the Rule 5 Draft. |
| Dec 9 | Ryan Weiss | Signed as Free Agent | Houston Astros signed free agent RHP Ryan Weiss. |
| Dec 5 | Logan VanWey | Outrighted | Houston Astros sent RHP Logan VanWey outright to Sugar Land Space Cowboys. |
| Dec 5 | Taylor Trammell | Outrighted | Houston Astros sent LF Taylor Trammell outright to Sugar Land Space Cowboys. |
| Dec 4 | — | Trade | Chicago Cubs traded RHP Nico Zeglin to Houston Astros for cash. |
| Nov 28 | Amos Willingham | Signed as Free Agent | Houston Astros signed free agent RHP Amos Willingham to a minor league contract. |
| Nov 28 | Carlos Pérez | Signed as Free Agent | Houston Astros signed free agent C Carlos Pérez to a minor league contract. |
| Nov 21 | Ramón Urías | Declared Free Agency | 3B Ramón Urías elected free agency. |
| Nov 21 | Ramón Urías | Declared Free Agency | 3B Ramón Urías elected free agency. |
| Nov 19 | Joel Jimenez | Signed as Free Agent | Houston Astros signed free agent RHP Joel Jimenez to a minor league contract. |
| Nov 19 | Nick Allen | Trade | Houston Astros traded 2B Mauricio Dubón to Atlanta Braves for SS Nick Allen. |
| Nov 18 | Miguel Ullola | Selected | Houston Astros selected the contract of RHP Miguel Ullola from Sugar Land Space Cowboys. |
| Nov 18 | Ramón Urías | Designated for Assignment | Houston Astros designated 3B Ramón Urías for assignment. |
| Nov 14 | Anthony Maldonado | Signed as Free Agent | Houston Astros signed free agent RHP Anthony Maldonado to a minor league contract. |
| Nov 6 | Luis Garcia | Declared Free Agency | RHP Luis Garcia elected free agency. |
| Nov 6 | Hayden Wesneski | Status Change | Houston Astros activated RHP Hayden Wesneski from the 60-day injured list. |
| Nov 6 | Brandon Walter | Status Change | Houston Astros activated LHP Brandon Walter from the 60-day injured list. |
| Nov 6 | Ronel Blanco | Status Change | Houston Astros activated RHP Ronel Blanco from the 60-day injured list. |
| Nov 6 | Zach Dezenzo | Status Change | Houston Astros activated LF Zach Dezenzo from the 60-day injured list. |
| Nov 6 | Kaleb Ort | Status Change | Houston Astros activated RHP Kaleb Ort from the 60-day injured list. |
| Nov 6 | Chas McCormick | Outrighted | Houston Astros sent LF Chas McCormick outright to Sugar Land Space Cowboys. |
| Nov 6 | John Rooney | Outrighted | Houston Astros sent LHP John Rooney outright to Sugar Land Space Cowboys. |
| Nov 6 | Kenedy Corona | Outrighted | Houston Astros sent CF Kenedy Corona outright to Sugar Land Space Cowboys. |
| Nov 6 | John Rooney | Status Change | Houston Astros activated LHP John Rooney from the 60-day injured list. |
| Nov 6 | Luis Garcia | Status Change | Houston Astros activated RHP Luis Garcia from the 60-day injured list. |
| Nov 6 | Pedro León | Claimed Off Waivers | Baltimore Orioles claimed RF Pedro León off waivers from Houston Astros. |
| Nov 2 | Brendan Rodgers | Declared Free Agency | 2B Brendan Rodgers elected free agency. |
| Nov 2 | Framber Valdez | Declared Free Agency | LHP Framber Valdez elected free agency. |
| Nov 2 | Craig Kimbrel | Declared Free Agency | RHP Craig Kimbrel elected free agency. |
| Nov 2 | Victor Caratini | Declared Free Agency | C Victor Caratini elected free agency. |
| Oct 31 | Peter Lambert | Signed as Free Agent | Houston Astros signed free agent RHP Peter Lambert to a minor league contract. |
| Oct 20 | Nate Pearson | Signed as Free Agent | Houston Astros signed free agent RHP Nate Pearson. |
| Sep 30 | Yuaxander Silveira | Signed as Free Agent | Houston Astros signed free agent OF Yuaxander Silveira to a minor league contract. |
| Sep 30 | Victor Vizcaya | Signed as Free Agent | Houston Astros signed free agent RHP Victor Vizcaya to a minor league contract. |
| Sep 30 | Samil Valdivieso | Signed as Free Agent | Houston Astros signed free agent RHP Samil Valdivieso to a minor league contract. |
| Sep 30 | Oscar Rivas | Signed as Free Agent | Houston Astros signed free agent IF Oscar Rivas to a minor league contract. |
| Sep 30 | Juan Ramirez | Signed as Free Agent | Houston Astros signed free agent RHP Juan Ramirez to a minor league contract. |
| Sep 30 | Adrianyer Lopez | Signed as Free Agent | Houston Astros signed free agent RHP Adrianyer Lopez to a minor league contract. |
| Sep 30 | Vismar Dagnino | Signed as Free Agent | Houston Astros signed free agent RHP Vismar Dagnino to a minor league contract. |
| Sep 30 | David Colina | Signed as Free Agent | Houston Astros signed free agent RHP David Colina to a minor league contract. |
| Sep 30 | Noel Brito | Signed as Free Agent | Houston Astros signed free agent IF Noel Brito to a minor league contract. |
| Sep 30 | Nick Hernandez | Outrighted | Houston Astros sent RHP Nick Hernandez outright to Sugar Land Space Cowboys. |
| Sep 29 | César Salazar | Recalled | Houston Astros recalled C César Salazar from Sugar Land Space Cowboys. |
| Sep 29 | Chas McCormick | Recalled | Houston Astros recalled LF Chas McCormick from Sugar Land Space Cowboys. |
| Sep 29 | Shay Whitcomb | Recalled | Houston Astros recalled LF Shay Whitcomb from Sugar Land Space Cowboys. |
| Sep 29 | Logan VanWey | Recalled | Houston Astros recalled RHP Logan VanWey from Sugar Land Space Cowboys. |
| Sep 29 | Kenedy Corona | Recalled | Houston Astros recalled CF Kenedy Corona from Sugar Land Space Cowboys. |
| Sep 29 | Yordan Alvarez | Status Change | Houston Astros activated LF Yordan Alvarez from the 10-day injured list. |
| Sep 29 | Jake Meyers | Status Change | Houston Astros activated CF Jake Meyers from the 10-day injured list. |
| Sep 29 | Jeremy Peña | Status Change | Houston Astros activated SS Jeremy Peña from the 10-day injured list. |
| Sep 29 | Spencer Arrighetti | Status Change | Houston Astros activated RHP Spencer Arrighetti from the 15-day injured list. |
| Sep 29 | Josh Hader | Status Change | Houston Astros activated LHP Josh Hader from the 15-day injured list. |
| Sep 29 | Bennett Sousa | Status Change | Houston Astros activated LHP Bennett Sousa from the 15-day injured list. |
| Sep 28 | Jeremy Peña | Status Change | Houston Astros placed SS Jeremy Peña on the 10-day injured list retroactive to September 25, 2025. Left oblique strain. |
| Sep 28 | Jacob Melton | Recalled | Houston Astros recalled LF Jacob Melton from Sugar Land Space Cowboys. |
| Sep 27 | Brice Matthews | Number Change | SS Brice Matthews changed number to 0. |
| Sep 27 | Brice Matthews | Status Change | Houston Astros activated SS Brice Matthews. |
| Sep 27 | Brice Matthews | Recalled | Houston Astros recalled SS Brice Matthews from Sugar Land Space Cowboys. |
| Sep 27 | Lance McCullers Jr. | Status Change | Houston Astros activated RHP Lance McCullers Jr. from the 15-day injured list. |
| Sep 27 | Nick Hernandez | Designated for Assignment | Houston Astros designated RHP Nick Hernandez for assignment. |
| Sep 27 | Jake Meyers | Status Change | Houston Astros placed CF Jake Meyers on the 10-day injured list retroactive to September 25, 2025. Right calf soreness. |
| Sep 19 | Zach Dezenzo | Assigned | Houston Astros sent LF Zach Dezenzo on a rehab assignment to Sugar Land Space Cowboys. |
| Sep 19 | Kaleb Ort | Status Change | Houston Astros transferred RHP Kaleb Ort from the 15-day injured list to the 60-day injured list. Right elbow inflammation. |
| Sep 19 | Isaac Paredes | Status Change | Houston Astros activated 3B Isaac Paredes from the 60-day injured list. |
| Sep 19 | Yordan Alvarez | Status Change | Houston Astros placed LF Yordan Alvarez on the 10-day injured list retroactive to September 16, 2025. Left ankle sprain. |
| Sep 16 | Jeremy Peña | Number Change | SS Jeremy Peña changed number to 3. |
| Sep 16 | Victor Caratini | Number Change | C Victor Caratini changed number to 17. |
| Sep 16 | Yordan Alvarez | Number Change | LF Yordan Alvarez changed number to 44. |
| Sep 16 | Mauricio Dubón | Number Change | 2B Mauricio Dubón changed number to 14. |
| Sep 16 | Carlos Correa | Number Change | SS Carlos Correa changed number to 1. |
| Sep 16 | Jose Altuve | Number Change | LF Jose Altuve changed number to 27. |
| Sep 15 | Jeremy Peña | Number Change | SS Jeremy Peña changed number to 21. |
| Sep 15 | Victor Caratini | Number Change | C Victor Caratini changed number to 21. |
| Sep 15 | Yordan Alvarez | Number Change | LF Yordan Alvarez changed number to 21. |
| Sep 15 | Mauricio Dubón | Number Change | 2B Mauricio Dubón changed number to 21. |
| Sep 15 | Carlos Correa | Number Change | SS Carlos Correa changed number to 21. |
| Sep 15 | Jose Altuve | Number Change | LF Jose Altuve changed number to 21. |
| Sep 12 | Lance McCullers Jr. | Status Change | Houston Astros placed RHP Lance McCullers Jr. on the 15-day injured list. Right hand soreness. |
| Sep 12 | Colton Gordon | Recalled | Houston Astros recalled LHP Colton Gordon from Sugar Land Space Cowboys. |
| Sep 12 | Luis Garcia | Status Change | Houston Astros transferred RHP Luis Garcia from the 15-day injured list to the 60-day injured list. Right elbow discomfort. |
| Sep 12 | Zach Cole | Selected | Houston Astros selected the contract of CF Zach Cole from Sugar Land Space Cowboys. |
| Sep 12 | César Salazar | Optioned | Houston Astros optioned C César Salazar to Sugar Land Space Cowboys. |
| Sep 10 | Luis Garcia | Status Change | Houston Astros placed RHP Luis Garcia on the 15-day injured list. Right elbow discomfort. |
| Sep 10 | Nick Hernandez | Recalled | Houston Astros recalled RHP Nick Hernandez from Sugar Land Space Cowboys. |
| Sep 9 | Logan VanWey | Optioned | Houston Astros optioned RHP Logan VanWey to Sugar Land Space Cowboys. |
| Sep 9 | J.P. France | Recalled | Houston Astros recalled RHP J.P. France from Sugar Land Space Cowboys. |
| Sep 6 | Jacob Melton | Optioned | Houston Astros optioned LF Jacob Melton to Sugar Land Space Cowboys. |
| Sep 6 | Colton Gordon | Optioned | Houston Astros optioned LHP Colton Gordon to Sugar Land Space Cowboys. |
| Sep 6 | Logan VanWey | Recalled | Houston Astros recalled RHP Logan VanWey from Sugar Land Space Cowboys. |
| Sep 6 | Jake Meyers | Status Change | Houston Astros activated CF Jake Meyers from the 10-day injured list. |
| Sep 5 | Kaleb Ort | Status Change | Houston Astros placed RHP Kaleb Ort on the 15-day injured list. Right elbow inflammation. |
| Sep 5 | Colton Gordon | Recalled | Houston Astros recalled LHP Colton Gordon from Sugar Land Space Cowboys. |
| Sep 4 | Pedro León | Assigned | Houston Astros sent RF Pedro León on a rehab assignment to Sugar Land Space Cowboys. |
| Sep 3 | John Rooney | Status Change | Houston Astros transferred LHP John Rooney from the 15-day injured list to the 60-day injured list. |
| Sep 3 | Jayden Murray | Selected | Houston Astros selected the contract of RHP Jayden Murray from Sugar Land Space Cowboys. |
| Sep 3 | Spencer Arrighetti | Status Change | Houston Astros placed RHP Spencer Arrighetti on the 15-day injured list retroactive to August 31, 2025. Right elbow inflammation. |
| Sep 3 | Victor Caratini | Status Change | Houston Astros activated C Victor Caratini from the 7-day injured list. |
| Sep 3 | Chas McCormick | Optioned | Houston Astros optioned LF Chas McCormick to Sugar Land Space Cowboys. |
| Sep 3 | Logan Davidson | Claimed Off Waivers | Los Angeles Angels claimed 1B Logan Davidson off waivers from Houston Astros. |
| Sep 1 | Luis Garcia | Status Change | Houston Astros activated RHP Luis Garcia from the 60-day injured list. |
| Sep 1 | Taylor Trammell | Status Change | Houston Astros activated LF Taylor Trammell from the 10-day injured list. |
| Sep 1 | Logan Davidson | Designated for Assignment | Houston Astros designated 1B Logan Davidson for assignment. |
| Aug 30 | Matt Bowman | Signed as Free Agent | Houston Astros signed free agent RHP Matt Bowman to a minor league contract. |
| Aug 28 | Taylor Trammell | Assigned | Houston Astros sent LF Taylor Trammell on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 27 | Jake Meyers | Assigned | Houston Astros sent CF Jake Meyers on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 27 | Jake Meyers | Assigned | Houston Astros sent CF Jake Meyers on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 27 | César Salazar | Recalled | Houston Astros recalled C César Salazar from Sugar Land Space Cowboys. |
| Aug 27 | Victor Caratini | Status Change | Houston Astros placed C Victor Caratini on the 7-day injured list. Concussion. |
| Aug 26 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 26 | Zach Dezenzo | Assigned | Houston Astros sent LF Zach Dezenzo on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 26 | John Rooney | Status Change | Houston Astros placed LHP John Rooney on the 15-day injured list retroactive to August 25, 2025. Left elbow inflammation. |
| Aug 26 | Brice Matthews | Optioned | Houston Astros optioned SS Brice Matthews to Sugar Land Space Cowboys. |
| Aug 26 | AJ Blubaugh | Recalled | Houston Astros recalled RHP AJ Blubaugh from Sugar Land Space Cowboys. |
| Aug 26 | Yordan Alvarez | Status Change | Houston Astros activated LF Yordan Alvarez from the 60-day injured list. |
| Aug 26 | Shawn Dubin | Claimed Off Waivers | Baltimore Orioles claimed RHP Shawn Dubin off waivers from Houston Astros. |
| Aug 24 | John Rooney | Recalled | Houston Astros recalled LHP John Rooney from Sugar Land Space Cowboys. |
| Aug 24 | AJ Blubaugh | Optioned | Houston Astros optioned RHP AJ Blubaugh to Sugar Land Space Cowboys. |
| Aug 23 | AJ Blubaugh | Status Change | Houston Astros activated RHP AJ Blubaugh. |
| Aug 23 | Shawn Dubin | Designated for Assignment | Houston Astros designated RHP Shawn Dubin for assignment. |
| Aug 23 | AJ Blubaugh | Recalled | Houston Astros recalled RHP AJ Blubaugh from Sugar Land Space Cowboys. |
| Aug 23 | Brendan Rodgers | Assigned | Houston Astros sent 2B Brendan Rodgers on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 22 | Logan VanWey | Optioned | Houston Astros optioned RHP Logan VanWey to Sugar Land Space Cowboys. |
| Aug 22 | Brandon Walter | Status Change | Houston Astros transferred LHP Brandon Walter from the 15-day injured list to the 60-day injured list. Left elbow inflammation. |
| Aug 22 | Tayler Scott | Outrighted | Houston Astros sent RHP Tayler Scott outright to Sugar Land Space Cowboys. |
| Aug 22 | Bennett Sousa | Status Change | Houston Astros placed LHP Bennett Sousa on the 15-day injured list retroactive to August 20, 2025. Left elbow inflammation. |
| Aug 22 | Craig Kimbrel | Signed as Free Agent | Houston Astros signed free agent RHP Craig Kimbrel. |
| Aug 22 | Lance McCullers Jr. | Status Change | Houston Astros activated RHP Lance McCullers Jr. from the 10-day injured list. |
| Aug 21 | J.P. France | Optioned | Houston Astros optioned RHP J.P. France to Sugar Land Space Cowboys. |
| Aug 21 | J.P. France | Status Change | Houston Astros activated RHP J.P. France from the 60-day injured list. |
| Aug 21 | Brice Matthews | Recalled | Houston Astros recalled SS Brice Matthews from Sugar Land Space Cowboys. |
| Aug 21 | Taylor Trammell | Status Change | Houston Astros placed LF Taylor Trammell on the 10-day injured list. Cervical muscle strain. |
| Aug 20 | Jordan Weems | Outrighted | Houston Astros sent RHP Jordan Weems outright to Sugar Land Space Cowboys. |
| Aug 19 | Pedro León | Assigned | Houston Astros sent RF Pedro León on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 19 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to Corpus Christi Hooks. |
| Aug 19 | Yordan Alvarez | Assigned | Houston Astros sent LF Yordan Alvarez on a rehab assignment to Corpus Christi Hooks. |
| Aug 19 | Yordan Alvarez | Assigned | Houston Astros sent LF Yordan Alvarez on a rehab assignment to Corpus Christi Hooks. |
| Aug 19 | Pedro León | Assigned | Houston Astros sent RF Pedro León on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 19 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to Corpus Christi Hooks. |
| Aug 19 | Tayler Scott | Designated for Assignment | Houston Astros designated RHP Tayler Scott for assignment. |
| Aug 19 | Logan VanWey | Recalled | Houston Astros recalled RHP Logan VanWey from Sugar Land Space Cowboys. |
| Aug 18 | Jordan Weems | Designated for Assignment | Houston Astros designated RHP Jordan Weems for assignment. |
| Aug 18 | Tayler Scott | Selected | Houston Astros selected the contract of RHP Tayler Scott from Sugar Land Space Cowboys. |
| Aug 15 | Héctor Neris | Outrighted | Houston Astros sent RHP Héctor Neris outright to Sugar Land Space Cowboys. |
| Aug 15 | Cooper Hummel | Outrighted | Houston Astros sent LF Cooper Hummel outright to Sugar Land Space Cowboys. |
| Aug 15 | Lance McCullers Jr. | Assigned | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 13 | Colton Gordon | Optioned | Houston Astros optioned LHP Colton Gordon to Sugar Land Space Cowboys. |
| Aug 13 | Jordan Weems | Selected | Houston Astros selected the contract of RHP Jordan Weems from Sugar Land Space Cowboys. |
| Aug 12 | Colton Gordon | Recalled | Houston Astros recalled LHP Colton Gordon from Sugar Land Space Cowboys. |
| Aug 12 | Héctor Neris | Designated for Assignment | Houston Astros designated RHP Héctor Neris for assignment. |
| Aug 12 | Shawn Dubin | Status Change | Houston Astros activated RHP Shawn Dubin from the 15-day injured list. |
| Aug 12 | Josh Hader | Status Change | Houston Astros placed LHP Josh Hader on the 15-day injured list retroactive to August 11, 2025. Left shoulder strain. |
| Aug 11 | Cooper Hummel | Designated for Assignment | Houston Astros designated LF Cooper Hummel for assignment. |
| Aug 11 | Jacob Melton | Recalled | Houston Astros recalled LF Jacob Melton from Sugar Land Space Cowboys. |
| Aug 11 | Colton Gordon | Optioned | Houston Astros optioned LHP Colton Gordon to Sugar Land Space Cowboys. |
| Aug 11 | Cristian Javier | Status Change | Houston Astros activated RHP Cristian Javier from the 60-day injured list. |
| Aug 9 | Luis Contreras | Outrighted | Houston Astros sent RHP Luis Contreras outright to Sugar Land Space Cowboys. |
| Aug 8 | Enyel De Los Santos | Status Change | Houston Astros activated RHP Enyel De Los Santos. |
| Aug 7 | Jesús Bastidas | Trade | Houston Astros traded SS Jesús Bastidas to Atlanta Braves. |
| Aug 7 | Enyel De Los Santos | Signed as Free Agent | Houston Astros signed free agent RHP Enyel De Los Santos. |
| Aug 7 | Nick Hernandez | Optioned | Houston Astros optioned RHP Nick Hernandez to Sugar Land Space Cowboys. |
| Aug 7 | Luis Contreras | Designated for Assignment | Houston Astros designated RHP Luis Contreras for assignment. |
| Aug 6 | Isaac Paredes | Status Change | Houston Astros transferred 3B Isaac Paredes from the 10-day injured list to the 60-day injured list. Right hamstring strain. |
| Aug 6 | AJ Blubaugh | Optioned | Houston Astros optioned RHP AJ Blubaugh to Sugar Land Space Cowboys. |
| Aug 6 | Spencer Arrighetti | Status Change | Houston Astros activated RHP Spencer Arrighetti from the 60-day injured list. |
| Aug 5 | Nomar Meza | Signed as Free Agent | Houston Astros signed free agent RHP Nomar Meza to a minor league contract. |
| Aug 5 | Jon Singleton | Signed as Free Agent | Houston Astros signed free agent 1B Jon Singleton to a minor league contract. |
| Aug 5 | John Rooney | Optioned | Houston Astros optioned LHP John Rooney to Sugar Land Space Cowboys. |
| Aug 5 | AJ Blubaugh | Recalled | Houston Astros recalled RHP AJ Blubaugh from Sugar Land Space Cowboys. |
| Aug 4 | Zack Short | Outrighted | Houston Astros sent 3B Zack Short outright to Sugar Land Space Cowboys. |
| Aug 3 | — | Trade | Miami Marlins traded LHP John Rooney to Houston Astros for cash. |
| Aug 3 | Luis Contreras | Optioned | Houston Astros optioned RHP Luis Contreras to Sugar Land Space Cowboys. |
| Aug 2 | J.P. France | Assigned | Houston Astros sent RHP J.P. France on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 1 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to Sugar Land Space Cowboys. |
| Aug 1 | Nick Robertson | Outrighted | Houston Astros sent RHP Nick Robertson outright to Sugar Land Space Cowboys. |
| Aug 1 | Jacob Melton | Optioned | Houston Astros optioned LF Jacob Melton to Sugar Land Space Cowboys. |
| Aug 1 | Brice Matthews | Optioned | Houston Astros optioned SS Brice Matthews to Sugar Land Space Cowboys. |
| Aug 1 | Nick Hernandez | Recalled | Houston Astros recalled RHP Nick Hernandez from Sugar Land Space Cowboys. |
| Aug 1 | Ramón Urías | Status Change | Houston Astros activated 3B Ramón Urías. |
| Aug 1 | Jesús Sánchez | Status Change | Houston Astros activated RF Jesús Sánchez. |
| Aug 1 | Carlos Correa | Status Change | Houston Astros activated SS Carlos Correa. |
| Aug 1 | Jeremy Peña | Status Change | Houston Astros activated SS Jeremy Peña. |
| Aug 1 | Zack Short | Designated for Assignment | Houston Astros designated 3B Zack Short for assignment. |
| Jul 31 | Spencer Arrighetti | Assigned | Houston Astros sent RHP Spencer Arrighetti on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 31 | Jesús Sánchez | Trade | Miami Marlins traded RF Jesús Sánchez to Houston Astros for RHP Ryan Gusto, SS Chase Jaworsky and CF Esmil Valencia. |
| Jul 31 | Carlos Correa | Trade | Minnesota Twins traded SS Carlos Correa and cash to Houston Astros for LHP Matt Mikulski. |
| Jul 31 | Jon Singleton | Outrighted | Houston Astros sent 1B Jon Singleton outright to Sugar Land Space Cowboys. |
| Jul 31 | Twine Palmer | Trade | Baltimore Orioles traded 3B Ramón Urías to Houston Astros for RHP Twine Palmer. |
| Jul 30 | Shay Whitcomb | Optioned | Houston Astros optioned LF Shay Whitcomb to Sugar Land Space Cowboys. |
| Jul 30 | Luis Guillorme | Signed as Free Agent | Houston Astros signed free agent 3B Luis Guillorme to a minor league contract. |
| Jul 29 | Shawn Dubin | Assigned | Houston Astros sent RHP Shawn Dubin on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 29 | Shawn Dubin | Assigned | Houston Astros sent RHP Shawn Dubin on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 28 | Jeremy Peña | Assigned | Houston Astros sent SS Jeremy Peña on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 28 | Jeremy Peña | Assigned | Houston Astros sent SS Jeremy Peña on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 28 | Luis Guillorme | Outrighted | Houston Astros sent 3B Luis Guillorme outright to Sugar Land Space Cowboys. |
| Jul 28 | Jon Singleton | Designated for Assignment | Houston Astros designated 1B Jon Singleton for assignment. |
| Jul 28 | Jacob Melton | Status Change | Houston Astros activated LF Jacob Melton from the 10-day injured list. |
| Jul 27 | J.P. France | Assigned | Houston Astros sent RHP J.P. France on a rehab assignment to Corpus Christi Hooks. |
| Jul 27 | J.P. France | Assigned | Houston Astros sent RHP J.P. France on a rehab assignment to Corpus Christi Hooks. |
| Jul 26 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to Corpus Christi Hooks. |
| Jul 26 | Nick Hernandez | Optioned | Houston Astros optioned RHP Nick Hernandez to Sugar Land Space Cowboys. |
| Jul 26 | Luis Contreras | Recalled | Houston Astros recalled RHP Luis Contreras from Sugar Land Space Cowboys. |
| Jul 25 | Logan Davidson | Status Change | Houston Astros reassigned 1B Logan Davidson to the minor leagues. |
| Jul 25 | Brandon Walter | Status Change | Houston Astros placed LHP Brandon Walter on the 15-day injured list retroactive to July 24, 2025. Left elbow inflammation. |
| Jul 25 | Nick Hernandez | Recalled | Houston Astros recalled RHP Nick Hernandez from Sugar Land Space Cowboys. |
| Jul 25 | Logan Davidson | Optioned | Houston Astros optioned 1B Logan Davidson to Sugar Land Space Cowboys. |
| Jul 25 | Logan Davidson | Claimed Off Waivers | Houston Astros claimed 1B Logan Davidson off waivers from Athletics. |
| Jul 25 | Nick Robertson | Designated for Assignment | Houston Astros designated RHP Nick Robertson for assignment. |
| Jul 24 | Cristian Javier | Assigned | Houston Astros sent RHP Cristian Javier on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 24 | Cody Bolton | Signed as Free Agent | Houston Astros signed free agent RHP Cody Bolton to a minor league contract. |
| Jul 24 | Jacob Hurtubise | Signed as Free Agent | Houston Astros signed free agent LF Jacob Hurtubise to a minor league contract. |
| Jul 24 | Jacob Melton | Assigned | Houston Astros sent LF Jacob Melton on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 24 | Cristian Javier | Assigned | Houston Astros sent RHP Cristian Javier on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 24 | Nick Hernandez | Optioned | Houston Astros optioned RHP Nick Hernandez to Sugar Land Space Cowboys. |
| Jul 24 | Jason Alexander | Recalled | Houston Astros recalled RHP Jason Alexander from Sugar Land Space Cowboys. |
| Jul 23 | August Cuneo | Signed as Free Agent | Houston Astros signed free agent C August Cuneo to a minor league contract. |
| Jul 23 | Jackson Wells | Signed as Free Agent | Houston Astros signed free agent RHP Jackson Wells to a minor league contract. |
| Jul 23 | Charlie Weber | Signed as Free Agent | Houston Astros signed free agent RHP Charlie Weber to a minor league contract. |
| Jul 23 | Ryan Petrovitch | Signed as Free Agent | Houston Astros signed free agent RHP Ryan Petrovitch to a minor league contract. |
| Jul 23 | Cole MacRae | Signed as Free Agent | Houston Astros signed free agent RHP Coleman MacRae to a minor league contract. |
| Jul 23 | Mason Lytle | Signed as Free Agent | Houston Astros signed free agent OF Mason Lytle to a minor league contract. |
| Jul 23 | Brandon Forrester | Signed as Free Agent | Houston Astros signed free agent 2B Brandon Forrester to a minor league contract. |
| Jul 23 | Brandon Cassedy | Signed as Free Agent | Houston Astros signed free agent RHP Brandon Cassedy to a minor league contract. |
| Jul 23 | Curtis Hebert | Signed | Houston Astros signed SS Curtis Hebert. |
| Jul 23 | Landon Arroyos | Signed | Houston Astros signed SS Landon Arroyos. |
| Jul 23 | Grayson Saunier | Signed | Houston Astros signed RHP Grayson Saunier. |
| Jul 23 | Chase Call | Signed | Houston Astros signed OF Chase Call. |
| Jul 23 | DJ Newman | Signed | Houston Astros signed TWP DJ Newman. |
| Jul 23 | Josh Wakefield | Signed | Houston Astros signed OF Josh Wakefield. |
| Jul 23 | Aubrey Smith | Signed | Houston Astros signed RHP Aubrey Smith. |
| Jul 23 | Justin Thomas Jr. | Signed | Houston Astros signed OF Justin Thomas. |
| Jul 23 | Zach Daudet | Signed | Houston Astros signed SS Zach Daudet. |
| Jul 23 | Kyle Walker | Signed | Houston Astros signed 2B Kyle Walker. |
| Jul 23 | Jase Mitchell | Signed | Houston Astros signed C Jase Mitchell. |
| Jul 23 | Gabel Pentecost | Signed | Houston Astros signed RHP Gabel Pentecost. |
| Jul 23 | Nick Potter | Signed | Houston Astros signed RHP Nick Potter. |
| Jul 23 | Ethan Frey | Signed | Houston Astros signed OF Ethan Frey. |
| Jul 23 | Xavier Neyens | Signed | Houston Astros signed SS Xavier Neyens. |
| Jul 23 | Luis Guillorme | Assigned | Houston Astros sent 3B Luis Guillorme on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 22 | Nick Hernandez | Recalled | Houston Astros recalled RHP Nick Hernandez from Sugar Land Space Cowboys. |
| Jul 22 | Lance McCullers Jr. | Status Change | Houston Astros placed RHP Lance McCullers Jr. on the 10-day injured list retroactive to July 20, 2025. Right finger blister. |
| Jul 21 | J.P. France | Assigned | Houston Astros sent RHP J.P. France on a rehab assignment to FCL Astros. |
| Jul 20 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to Fayetteville Woodpeckers. |
| Jul 20 | Brendan Rodgers | Status Change | Houston Astros placed 2B Brendan Rodgers on the 60-day injured list. Left oblique strain. |
| Jul 20 | Jon Singleton | Selected | Houston Astros selected the contract of 1B Jon Singleton from Sugar Land Space Cowboys. |
| Jul 20 | Shay Whitcomb | Recalled | Houston Astros recalled LF Shay Whitcomb from Sugar Land Space Cowboys. |
| Jul 20 | César Salazar | Optioned | Houston Astros optioned C César Salazar to Sugar Land Space Cowboys. |
| Jul 20 | Isaac Paredes | Status Change | Houston Astros placed 3B Isaac Paredes on the 10-day injured list. Right hamstring strain. |
| Jul 20 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to Fayetteville Woodpeckers. |
| Jul 19 | Spencer Arrighetti | Assigned | Houston Astros sent RHP Spencer Arrighetti on a rehab assignment to Corpus Christi Hooks. |
| Jul 18 | Brendan Rodgers | Assigned | Houston Astros sent 2B Brendan Rodgers on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 18 | Brendan Rodgers | Assigned | Houston Astros sent 2B Brendan Rodgers on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 18 | Cristian Javier | Assigned | Houston Astros sent RHP Cristian Javier on a rehab assignment to Corpus Christi Hooks. |
| Jul 18 | Cristian Javier | Assigned | Houston Astros sent RHP Cristian Javier on a rehab assignment to Corpus Christi Hooks. |
| Jul 18 | Brendan Rodgers | Assigned | Houston Astros sent 2B Brendan Rodgers on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 18 | Chas McCormick | Status Change | Houston Astros activated LF Chas McCormick from the 10-day injured list. |
| Jul 18 | Kenedy Corona | Optioned | Houston Astros optioned CF Kenedy Corona to Sugar Land Space Cowboys. |
| Jul 16 | Nick Monistere | Signed | Houston Astros signed IF Nick Monistere. |
| Jul 16 | Kellan Oakes | Signed | Houston Astros signed RHP Kellan Oakes. |
| Jul 16 | Elijah Farley | Signed | Houston Astros signed OF Elijah Farley. |
| Jul 16 | Chas McCormick | Assigned | Houston Astros sent LF Chas McCormick on a rehab assignment to FCL Astros. |
| Jul 12 | Cristian Javier | Assigned | Houston Astros sent RHP Cristian Javier on a rehab assignment to FCL Astros. |
| Jul 11 | Zach Dezenzo | Status Change | Houston Astros transferred LF Zach Dezenzo from the 10-day injured list to the 60-day injured list. Left hand inflammation. |
| Jul 11 | Jake Meyers | Status Change | Houston Astros placed CF Jake Meyers on the 10-day injured list retroactive to July 10, 2025. Right calf strain. |
| Jul 11 | Brice Matthews | Selected | Houston Astros selected the contract of SS Brice Matthews from Sugar Land Space Cowboys. |
| Jul 10 | Christian Walker | Status Change | Houston Astros activated 1B Christian Walker from the paternity list. |
| Jul 10 | Shay Whitcomb | Optioned | Houston Astros optioned LF Shay Whitcomb to Sugar Land Space Cowboys. |
| Jul 9 | Jordan Weems | Signed as Free Agent | Houston Astros signed free agent RHP Jordan Weems to a minor league contract. |
| Jul 7 | Jordan Weems | Outrighted | Houston Astros sent RHP Jordan Weems outright to Sugar Land Space Cowboys. |
| Jul 7 | Jordan Weems | Declared Free Agency | RHP Jordan Weems elected free agency. |
| Jul 7 | Christian Walker | Status Change | Houston Astros placed 1B Christian Walker on the paternity list. |
| Jul 7 | Kenedy Corona | Recalled | Houston Astros recalled CF Kenedy Corona from Sugar Land Space Cowboys. |
| Jul 7 | Luis Garcia | Assigned | Houston Astros sent RHP Luis Garcia on a rehab assignment to FCL Astros. |
| Jul 5 | Jason Alexander | Optioned | Houston Astros optioned RHP Jason Alexander to Sugar Land Space Cowboys. |
| Jul 5 | Héctor Neris | Signed as Free Agent | Houston Astros signed free agent RHP Héctor Neris. |
| Jul 4 | Chas McCormick | Assigned | Houston Astros sent LF Chas McCormick on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 4 | Jordan Weems | Designated for Assignment | Houston Astros designated RHP Jordan Weems for assignment. |
| Jul 4 | Jordan Weems | Designated for Assignment | Houston Astros designated RHP Jordan Weems for assignment. |
| Jul 4 | Jason Alexander | Recalled | Houston Astros recalled RHP Jason Alexander from Sugar Land Space Cowboys. |
| Jul 4 | Chas McCormick | Assigned | Houston Astros sent LF Chas McCormick on a rehab assignment to Sugar Land Space Cowboys. |
| Jul 4 | Tayler Scott | Signed as Free Agent | Houston Astros signed free agent RHP Tayler Scott to a minor league contract. |
| Jul 2 | Yordan Alvarez | Status Change | Houston Astros transferred LF Yordan Alvarez from the 10-day injured list to the 60-day injured list. Right hand inflammation. |
| Jul 2 | Luis Guillorme | Status Change | Houston Astros placed 3B Luis Guillorme on the 10-day injured list. Right hamstring strain. |
| Jul 2 | Zack Short | Selected | Houston Astros selected the contract of 3B Zack Short from Sugar Land Space Cowboys. |
| Jul 1 | Shay Whitcomb | Recalled | Houston Astros recalled LF Shay Whitcomb from Sugar Land Space Cowboys. |
| Jun 30 | Jeremy Peña | Status Change | Houston Astros placed SS Jeremy Peña on the 10-day injured list retroactive to June 28, 2025. Small rib fracture on left side. |
| Jun 28 | Nick Hernandez | Optioned | Houston Astros optioned RHP Nick Hernandez to Sugar Land Space Cowboys. |
| Jun 28 | Lance McCullers Jr. | Status Change | Houston Astros activated RHP Lance McCullers Jr. from the 15-day injured list. |
| Jun 25 | Orlando Martinez | Signed as Free Agent | Houston Astros signed free agent OF Orlando Martinez to a minor league contract. |
| Jun 24 | Jon Singleton | Signed as Free Agent | Houston Astros signed free agent 1B Jon Singleton to a minor league contract. |
| Jun 24 | Pedro León | Status Change | Houston Astros placed RF Pedro León on the 60-day injured list. Left MCL sprain. |
| Jun 24 | Shawn Dubin | Status Change | Houston Astros placed RHP Shawn Dubin on the 15-day injured list retroactive to June 21, 2025. Right forearm strain. |
| Jun 24 | Jordan Weems | Selected | Houston Astros selected the contract of RHP Jordan Weems from Sugar Land Space Cowboys. |
| Jun 23 | Taylor Trammell | Status Change | Houston Astros activated LF Taylor Trammell from the 10-day injured list. |
| Jun 23 | Shay Whitcomb | Optioned | Houston Astros optioned LF Shay Whitcomb to Sugar Land Space Cowboys. |
| Jun 19 | Victor Jimenez | Signed as Free Agent | Houston Astros signed free agent RHP Victor Jimenez to a minor league contract. |
| Jun 19 | Wes Clarke | Trade | Milwaukee Brewers traded 1B Wes Clarke to Houston Astros for cash. |
| Jun 18 | Nick Hernandez | Recalled | Houston Astros recalled RHP Nick Hernandez from Sugar Land Space Cowboys. |
| Jun 18 | Shay Whitcomb | Recalled | Houston Astros recalled LF Shay Whitcomb from Sugar Land Space Cowboys. |
| Jun 18 | Jason Alexander | Optioned | Houston Astros optioned RHP Jason Alexander to Sugar Land Space Cowboys. |
| Jun 18 | Brendan Rodgers | Status Change | Houston Astros placed 2B Brendan Rodgers on the 10-day injured list retroactive to June 15, 2025. Left oblique strain. |
| Jun 16 | Lance McCullers Jr. | Status Change | Houston Astros placed RHP Lance McCullers Jr. on the 15-day injured list retroactive to June 13, 2025. Right foot sprain. |
| Jun 16 | Jason Alexander | Recalled | Houston Astros recalled RHP Jason Alexander from Sugar Land Space Cowboys. |
| Jun 14 | Spencer Arrighetti | Status Change | Houston Astros transferred RHP Spencer Arrighetti from the 15-day injured list to the 60-day injured list. Broken right thumb. |
| Jun 14 | Luis Guillorme | Selected | Houston Astros selected the contract of 2B Luis Guillorme from Sugar Land Space Cowboys. |
| Jun 14 | Cooper Hummel | Selected | Houston Astros selected the contract of RF Cooper Hummel from Sugar Land Space Cowboys. |
| Jun 14 | Shay Whitcomb | Optioned | Houston Astros optioned LF Shay Whitcomb to Sugar Land Space Cowboys. |
| Jun 14 | Jacob Melton | Status Change | Houston Astros placed CF Jacob Melton on the 10-day injured list. Right ankle sprain. |
| Jun 13 | Forrest Whitley | Trade | Houston Astros traded RHP Forrest Whitley to Tampa Bay Rays for cash. |
| Jun 12 | Taylor Trammell | Assigned | Houston Astros sent LF Taylor Trammell on a rehab assignment to Sugar Land Space Cowboys. |
| Jun 11 | Nate Wohlgemuth | Signed as Free Agent | Houston Astros signed free agent RHP Nate Wohlgemuth to a minor league contract. |
| Jun 9 | Rafael Gonzalez | Signed as Free Agent | Houston Astros signed free agent RHP Rafael Gonzalez to a minor league contract. |
| Jun 8 | Forrest Whitley | Designated for Assignment | Houston Astros designated RHP Forrest Whitley for assignment. |
| Jun 8 | Brandon Walter | Recalled | Houston Astros recalled LHP Brandon Walter from Sugar Land Space Cowboys. |
| Jun 7 | Cooper Hummel | Signed as Free Agent | Houston Astros signed free agent RF Cooper Hummel to a minor league contract. |
| Jun 6 | Brandon McPherson | Signed as Free Agent | Houston Astros signed free agent RHP Brandon McPherson to a minor league contract. |
| Jun 4 | Omar Narváez | Signed as Free Agent | Houston Astros signed free agent C Omar Narváez to a minor league contract. |
| Jun 3 | Jordan Weems | Signed as Free Agent | Houston Astros signed free agent RHP Jordan Weems to a minor league contract. |
| Jun 2 | Taylor Trammell | Assigned | Houston Astros sent LF Taylor Trammell on a rehab assignment to FCL Astros. |
| Jun 2 | Taylor Trammell | Assigned | Houston Astros sent LF Taylor Trammell on a rehab assignment to FCL Astros. |
| Jun 1 | Reidy Rosario | Signed as Free Agent | Houston Astros signed free agent RHP Reidy Rosario to a minor league contract. |
| Jun 1 | Ronel Blanco | Status Change | Houston Astros transferred RHP Ronel Blanco from the 15-day injured list to the 60-day injured list. Right elbow inflammation. |
| Jun 1 | Zach Dezenzo | Status Change | Houston Astros placed LF Zach Dezenzo on the 10-day injured list. Left hand inflammation. |
| Jun 1 | Jacob Melton | Selected | Houston Astros selected the contract of CF Jacob Melton from Sugar Land Space Cowboys. |
| May 31 | Cristhopher Mejias | Signed as Free Agent | Houston Astros signed free agent RHP Cristhopher Mejias to a minor league contract. |
| May 31 | Shay Whitcomb | Recalled | Houston Astros recalled SS Shay Whitcomb from Sugar Land Space Cowboys. |
| May 31 | Chas McCormick | Status Change | Houston Astros placed CF Chas McCormick on the 10-day injured list retroactive to May 30, 2025. Left oblique strain. |
| May 29 | Pedro León | Assigned | Houston Astros sent RF Pedro León on a rehab assignment to Sugar Land Space Cowboys. |
| May 29 | Pedro León | Assigned | Houston Astros sent RF Pedro León on a rehab assignment to Sugar Land Space Cowboys. |
| May 28 | Cliuver Puello | Signed as Free Agent | Houston Astros signed free agent IF Cliuver Puello to a minor league contract. |
| May 24 | Matt Mikulski | Signed as Free Agent | Houston Astros signed free agent LHP Matt Mikulski to a minor league contract. |
| May 22 | Ronel Blanco | Status Change | Houston Astros placed RHP Ronel Blanco on the 15-day injured list retroactive to May 20, 2025. Right elbow inflammation. |
| May 22 | Colton Gordon | Recalled | Houston Astros recalled LHP Colton Gordon from Sugar Land Space Cowboys. |
| May 22 | Pedro León | Assigned | Houston Astros sent RF Pedro León on a rehab assignment to FCL Astros. |
| May 21 | Tayler Scott | Declared Free Agency | RHP Tayler Scott elected free agency. |
| May 21 | Forrest Whitley | Status Change | Houston Astros activated RHP Forrest Whitley from the 15-day injured list. |
| May 21 | Brandon Walter | Optioned | Houston Astros optioned LHP Brandon Walter to Sugar Land Space Cowboys. |
| May 20 | Greg Jones | Signed as Free Agent | Houston Astros signed free agent RF Greg Jones to a minor league contract. |
| May 20 | Bryce Willits | Signed as Free Agent | Houston Astros signed 3B Bryce Willits. |
| May 20 | Edwin Díaz | Signed as Free Agent | Houston Astros signed free agent SS Edwin Díaz to a minor league contract. |
| May 20 | Colton Gordon | Optioned | Houston Astros optioned LHP Colton Gordon to Sugar Land Space Cowboys. |
| May 20 | Brandon Walter | Selected | Houston Astros selected the contract of LHP Brandon Walter from Sugar Land Space Cowboys. |
| May 20 | Hayden Wesneski | Status Change | Houston Astros transferred RHP Hayden Wesneski from the 15-day injured list to the 60-day injured list. |
| May 18 | Jason Alexander | Claimed Off Waivers | Houston Astros claimed RHP Jason Alexander off waivers from Athletics. |
| May 15 | Hayden Travinski | Signed as Free Agent | Houston Astros signed free agent C Hayden Travinski to a minor league contract. |
| May 15 | — | Trade | Houston Astros traded RHP Miguel Castro to Chicago White Sox for cash. |
| May 14 | Colton Gordon | Recalled | Houston Astros recalled LHP Colton Gordon from Sugar Land Space Cowboys. |
| May 14 | Tayler Scott | Designated for Assignment | Houston Astros designated RHP Tayler Scott for assignment. |
| May 13 | Forrest Whitley | Assigned | Houston Astros sent RHP Forrest Whitley on a rehab assignment to Sugar Land Space Cowboys. |
| May 11 | Logan VanWey | Optioned | Houston Astros optioned RHP Logan VanWey to Sugar Land Space Cowboys. |
| May 11 | Shawn Dubin | Status Change | Houston Astros activated RHP Shawn Dubin from the 15-day injured list. |
| May 9 | Logan VanWey | Recalled | Houston Astros recalled RHP Logan VanWey from Sugar Land Space Cowboys. |
| May 9 | Hayden Wesneski | Status Change | Houston Astros placed RHP Hayden Wesneski on the 15-day injured list retroactive to May 7, 2025. Right elbow discomfort. |
| May 5 | Cody Tucker | Signed as Free Agent | Houston Astros signed free agent RHP Cody Tucker to a minor league contract. |
| May 5 | Edwilmin Matos | Signed as Free Agent | Houston Astros signed free agent OF Edwilmin Matos to a minor league contract. |
| May 5 | César Salazar | Recalled | Houston Astros recalled C César Salazar from Sugar Land Space Cowboys. |
| May 5 | Yordan Alvarez | Status Change | Houston Astros placed LF Yordan Alvarez on the 10-day injured list retroactive to May 3, 2025. Right hand inflammation. |
| May 4 | Lance McCullers Jr. | Status Change | Houston Astros activated RHP Lance McCullers Jr. from the 15-day injured list. |
| May 4 | Logan VanWey | Optioned | Houston Astros optioned RHP Logan VanWey to Sugar Land Space Cowboys. |
| May 2 | Tyler Ras | Signed as Free Agent | Houston Astros signed free agent RHP Tyler Ras to a minor league contract. |
| May 2 | Bryan Abreu | Status Change | Houston Astros activated RHP Bryan Abreu from the paternity list. |
| May 1 | AJ Blubaugh | Optioned | Houston Astros optioned RHP AJ Blubaugh to Sugar Land Space Cowboys. |
| Apr 30 | Antonio Morales | Signed as Free Agent | Houston Astros signed free agent RHP Antonio Morales to a minor league contract. |
| Apr 30 | Bryan Abreu | Status Change | Houston Astros placed RHP Bryan Abreu on the paternity list. |
| Apr 30 | AJ Blubaugh | Selected | Houston Astros selected the contract of RHP AJ Blubaugh from Sugar Land Space Cowboys. |
| Apr 29 | Shawn Dubin | Assigned | Houston Astros sent RHP Shawn Dubin on a rehab assignment to Sugar Land Space Cowboys. |
| Apr 29 | Shawn Dubin | Assigned | Houston Astros sent RHP Shawn Dubin on a rehab assignment to Sugar Land Space Cowboys. |
| Apr 27 | Kaleb Ort | Status Change | Houston Astros activated RHP Kaleb Ort from the 15-day injured list. |
| Apr 27 | Forrest Whitley | Status Change | Houston Astros placed RHP Forrest Whitley on the 15-day injured list retroactive to April 24, 2025. Left knee sprain. |
| Apr 26 | Shawn Dubin | Assigned | Houston Astros sent RHP Shawn Dubin on a rehab assignment to Corpus Christi Hooks. |
| Apr 26 | Lance McCullers Jr. | Assigned | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Corpus Christi Hooks. |
| Apr 23 | Rowdey Jordan | Trade | New York Mets traded 2B Rowdey Jordan to Houston Astros. |
| Apr 21 | Sami Manzueta | Signed as Free Agent | Houston Astros signed free agent IF Sami Manzueta to a minor league contract. |
| Apr 19 | Nick Hernandez | Optioned | Houston Astros optioned RHP Nick Hernandez to Sugar Land Space Cowboys. |
| Apr 19 | Forrest Whitley | Status Change | Houston Astros activated RHP Forrest Whitley from the 15-day injured list. |
| Apr 16 | Framber Valdez | Number Change | LHP Framber Valdez changed number to 59. |
| Apr 16 | Jose Altuve | Number Change | 2B Jose Altuve changed number to 27. |
| Apr 16 | Bryan Abreu | Number Change | RHP Bryan Abreu changed number to 52. |
| Apr 16 | Chas McCormick | Number Change | LF Chas McCormick changed number to 20. |
| Apr 16 | Jake Meyers | Number Change | CF Jake Meyers changed number to 6. |
| Apr 16 | Yordan Alvarez | Number Change | LF Yordan Alvarez changed number to 44. |
| Apr 16 | Jeremy Peña | Number Change | SS Jeremy Peña changed number to 3. |
| Apr 16 | Ronel Blanco | Number Change | RHP Ronel Blanco changed number to 56. |
| Apr 16 | Christian Walker | Number Change | 1B Christian Walker changed number to 8. |
| Apr 16 | Bennett Sousa | Number Change | LHP Bennett Sousa changed number to 62. |
| Apr 16 | Victor Caratini | Number Change | C Victor Caratini changed number to 17. |
| Apr 16 | Hunter Brown | Number Change | RHP Hunter Brown changed number to 58. |
| Apr 16 | Tayler Scott | Number Change | RHP Tayler Scott changed number to 50. |
| Apr 16 | Yainer Diaz | Number Change | C Yainer Diaz changed number to 21. |
| Apr 16 | Mauricio Dubón | Number Change | LF Mauricio Dubón changed number to 14. |
| Apr 16 | Josh Hader | Number Change | LHP Josh Hader changed number to 71. |
| Apr 16 | Ryan Gusto | Number Change | RHP Ryan Gusto changed number to 67. |
| Apr 16 | Zach Dezenzo | Number Change | 1B Zach Dezenzo changed number to 9. |
| Apr 16 | Hayden Wesneski | Number Change | RHP Hayden Wesneski changed number to 39. |
| Apr 16 | Bryan King | Number Change | LHP Bryan King changed number to 74. |
| Apr 16 | Steven Okert | Number Change | LHP Steven Okert changed number to 48. |
| Apr 16 | Isaac Paredes | Number Change | 3B Isaac Paredes changed number to 15. |
| Apr 16 | Logan VanWey | Number Change | RHP Logan VanWey changed number to 64. |
| Apr 16 | Brendan Rodgers | Number Change | 2B Brendan Rodgers changed number to 1. |
| Apr 16 | Cam Smith | Number Change | 3B Cam Smith changed number to 11. |
| Apr 16 | Nick Hernandez | Number Change | RHP Nick Hernandez changed number to 72. |
| Apr 15 | Luis Contreras | Optioned | Houston Astros optioned RHP Luis Contreras to Sugar Land Space Cowboys. |
| Apr 15 | Nick Hernandez | Recalled | Houston Astros recalled RHP Nick Hernandez from Sugar Land Space Cowboys. |
| Apr 15 | Chas McCormick | Number Change | LF Chas McCormick changed number to 42. |
| Apr 15 | Bryan Abreu | Number Change | RHP Bryan Abreu changed number to 42. |
| Apr 15 | Yordan Alvarez | Number Change | LF Yordan Alvarez changed number to 42. |
| Apr 15 | Framber Valdez | Number Change | LHP Framber Valdez changed number to 42. |
| Apr 15 | Jose Altuve | Number Change | 2B Jose Altuve changed number to 42. |
| Apr 15 | Ronel Blanco | Number Change | RHP Ronel Blanco changed number to 42. |
| Apr 15 | Jake Meyers | Number Change | CF Jake Meyers changed number to 42. |
| Apr 15 | Jeremy Peña | Number Change | SS Jeremy Peña changed number to 42. |
| Apr 15 | Hunter Brown | Number Change | RHP Hunter Brown changed number to 42. |
| Apr 15 | Mauricio Dubón | Number Change | LF Mauricio Dubón changed number to 42. |
| Apr 15 | Victor Caratini | Number Change | C Victor Caratini changed number to 42. |
| Apr 15 | Bennett Sousa | Number Change | LHP Bennett Sousa changed number to 42. |
| Apr 15 | Yainer Diaz | Number Change | C Yainer Diaz changed number to 42. |
| Apr 15 | Josh Hader | Number Change | LHP Josh Hader changed number to 42. |
| Apr 15 | Luis Contreras | Number Change | RHP Luis Contreras changed number to 42. |
| Apr 15 | Tayler Scott | Number Change | RHP Tayler Scott changed number to 42. |
| Apr 15 | Christian Walker | Number Change | 1B Christian Walker changed number to 42. |
| Apr 15 | Isaac Paredes | Number Change | 3B Isaac Paredes changed number to 42. |
| Apr 15 | Hayden Wesneski | Number Change | RHP Hayden Wesneski changed number to 42. |
| Apr 15 | Zach Dezenzo | Number Change | 1B Zach Dezenzo changed number to 42. |
| Apr 15 | Ryan Gusto | Number Change | RHP Ryan Gusto changed number to 42. |
| Apr 15 | Bryan King | Number Change | LHP Bryan King changed number to 42. |
| Apr 15 | Logan VanWey | Number Change | RHP Logan VanWey changed number to 42. |
| Apr 15 | Cam Smith | Number Change | 3B Cam Smith changed number to 42. |
| Apr 15 | Steven Okert | Number Change | LHP Steven Okert changed number to 42. |
| Apr 15 | Brendan Rodgers | Number Change | 2B Brendan Rodgers changed number to 42. |
| Apr 12 | Lance McCullers Jr. | Assigned | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Sugar Land Space Cowboys. |
| Apr 12 | Lance McCullers Jr. | Assigned | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Sugar Land Space Cowboys. |
| Apr 11 | Patrick Halligan | Trade | Atlanta Braves traded RHP Patrick Halligan to Houston Astros. |
| Apr 9 | Garrett Apker | Signed as Free Agent | Houston Astros signed free agent RHP Garrett Apker to a minor league contract. |
| Apr 9 | Forrest Whitley | Assigned | Houston Astros sent RHP Forrest Whitley on a rehab assignment to Sugar Land Space Cowboys. |
| Apr 9 | Cam Brown | Signed as Free Agent | Houston Astros signed free agent RHP Cam Brown to a minor league contract. |
| Apr 8 | Bennett Sousa | Status Change | Houston Astros activated LHP Bennett Sousa. |
| Apr 8 | — | Trade | Houston Astros traded RHP Rafael Montero and cash to Atlanta Braves for Player To Be Named Later. |
| Apr 8 | Bennett Sousa | Recalled | Houston Astros recalled LHP Bennett Sousa from Sugar Land Space Cowboys. |
| Apr 8 | Kaleb Ort | Assigned | Houston Astros sent RHP Kaleb Ort on a rehab assignment to Sugar Land Space Cowboys. |
| Apr 8 | Luis Contreras | Recalled | Houston Astros recalled RHP Luis Contreras from Sugar Land Space Cowboys. |
| Apr 8 | Spencer Arrighetti | Status Change | Houston Astros placed RHP Spencer Arrighetti on the 15-day injured list retroactive to April 7, 2025. Broken Right Thumb. |
| Apr 7 | Luis Garcia | Status Change | Houston Astros transferred RHP Luis Garcia from the 15-day injured list to the 60-day injured list. Right elbow soreness. |
| Apr 7 | Logan VanWey | Selected | Houston Astros selected the contract of RHP Logan VanWey from Sugar Land Space Cowboys. |
| Apr 7 | Luis Contreras | Optioned | Houston Astros optioned RHP Luis Contreras to Sugar Land Space Cowboys. |
| Apr 5 | Lance McCullers Jr. | Assigned | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Corpus Christi Hooks. |
| Apr 4 | Reylin Perez | Signed as Free Agent | Houston Astros signed free agent SS Reylin Perez to a minor league contract. |
| Apr 3 | Ricardo Heredia | Signed as Free Agent | Houston Astros signed free agent RHP Ricardo Heredia to a minor league contract. |
| Apr 3 | Cooper Hummel | Declared Free Agency | LF Cooper Hummel elected free agency. |
| Apr 1 | Cristian Javier | Status Change | Houston Astros transferred RHP Cristian Javier from the 15-day injured list to the 60-day injured list. Recovery from Tommy John surgery. |
| Apr 1 | Edinson Batista | Trade | Toronto Blue Jays traded RHP Nick Robertson to Houston Astros for RHP Edinson Batista. |
| Mar 30 | Lance McCullers Jr. | Assigned | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Sugar Land Space Cowboys. |
| Mar 30 | Lance McCullers Jr. | Assigned | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Sugar Land Space Cowboys. |
| Mar 27 | Pedro León | Status Change | Houston Astros placed RF Pedro León on the 10-day injured list retroactive to March 24, 2025. Left MCL sprain. |
| Mar 27 | Taylor Trammell | Status Change | Houston Astros placed LF Taylor Trammell on the 10-day injured list retroactive to March 24, 2025. Right calf strain. |
| Mar 27 | Luis Garcia | Status Change | Houston Astros placed RHP Luis Garcia on the 15-day injured list retroactive to March 24, 2025. Right elbow soreness. |
| Mar 27 | Kaleb Ort | Status Change | Houston Astros placed RHP Kaleb Ort on the 15-day injured list retroactive to March 24, 2025. Left oblique strain. |
| Mar 27 | Forrest Whitley | Status Change | Houston Astros placed RHP Forrest Whitley on the 15-day injured list retroactive to March 24, 2025. Left knee injury. |
| Mar 27 | Cristian Javier | Status Change | Houston Astros placed RHP Cristian Javier on the 15-day injured list retroactive to March 24, 2025. Recovery from Tommy John surgery. |
| Mar 27 | Lance McCullers Jr. | Status Change | Houston Astros placed RHP Lance McCullers Jr. on the 15-day injured list retroactive to March 24, 2025. Recovery from right elbow surgery. |
| Mar 27 | J.P. France | Status Change | Houston Astros placed RHP J.P. France on the 60-day injured list. Recovery from right shoulder surgery. |
| Mar 27 | Cooper Hummel | Designated for Assignment | Houston Astros designated LF Cooper Hummel for assignment. |
| Mar 27 | Ryan Gusto | Recalled | Houston Astros recalled RHP Ryan Gusto from Sugar Land Space Cowboys. |
| Mar 27 | Steven Okert | Selected | Houston Astros selected the contract of LHP Steven Okert from Sugar Land Space Cowboys. |
| Mar 27 | Rafael Montero | Selected | Houston Astros selected the contract of RHP Rafael Montero from Sugar Land Space Cowboys. |
| Mar 27 | Brendan Rodgers | Selected | Houston Astros selected the contract of 2B Brendan Rodgers from Sugar Land Space Cowboys. |
| Mar 27 | Cam Smith | Selected | Houston Astros selected the contract of 3B Cam Smith from Corpus Christi Hooks. |
| Mar 25 | Drew Brutcher | Signed as Free Agent | Houston Astros signed free agent OF Drew Brutcher to a minor league contract. |
| Mar 25 | Rhett Kouba | Assigned | RHP Rhett Kouba assigned to Houston Astros. |
| Mar 25 | Jon Singleton | Released | Houston Astros released 1B Jon Singleton. |
| Mar 23 | Jancel Villarroel | Assigned | C Jancel Villarroel assigned to Houston Astros. |
| Mar 23 | Jose Gonzalez | Assigned | OF Jose Gonzalez assigned to Houston Astros. |
| Mar 22 | Ben Gamel | Released | Houston Astros released RF Ben Gamel. |
| Mar 22 | Jalen Beeks | Released | Houston Astros released LHP Jalen Beeks. |
| Mar 22 | Matthew Linskey | Assigned | RHP Matthew Linskey assigned to Houston Astros. |
| Mar 21 | Ethan Wagner | Status Change | OF Ethan Wagner roster status changed by Houston Astros. |
| Mar 21 | Walker Janek | Assigned | C Walker Janek assigned to Houston Astros. |
| Mar 20 | Bennett Sousa | Optioned | Houston Astros optioned LHP Bennett Sousa to Sugar Land Space Cowboys. |
| Mar 20 | Colby Langford | Assigned | LHP Colby Langford assigned to Houston Astros. |
| Mar 19 | Hudson Leach | Assigned | RHP Hudson Leach assigned to Houston Astros. |
| Mar 18 | César Salazar | Optioned | Houston Astros optioned C César Salazar to Sugar Land Space Cowboys. |
| Mar 18 | Shay Whitcomb | Optioned | Houston Astros optioned SS Shay Whitcomb to Sugar Land Space Cowboys. |
| Mar 18 | Nick Hernandez | Optioned | Houston Astros optioned RHP Nick Hernandez to Sugar Land Space Cowboys. |
| Mar 15 | Amilcar Chirinos | Assigned | RHP Amilcar Chirinos assigned to Houston Astros. |
| Mar 14 | Tyler Whitaker | Assigned | RF Tyler Whitaker assigned to Houston Astros. |
| Mar 13 | Nick Swiney | Assigned | LHP Nick Swiney assigned to Houston Astros. |
| Mar 13 | Anthony Sherwin | Assigned | 2B Anthony Sherwin assigned to Houston Astros. |
| Mar 13 | Austin Deming | Assigned | 3B Austin Deming assigned to Houston Astros. |
| Mar 12 | Max Holy | Assigned | SS Max Holy assigned to Houston Astros. |
| Mar 12 | Colton Gordon | Optioned | Houston Astros optioned LHP Colton Gordon to Sugar Land Space Cowboys. |
| Mar 12 | Kenedy Corona | Optioned | Houston Astros optioned CF Kenedy Corona to Sugar Land Space Cowboys. |
| Mar 10 | Jalen Beeks | Signed as Free Agent | Houston Astros signed free agent LHP Jalen Beeks to a minor league contract. |
| Mar 10 | Ryan Johnson | Assigned | 3B Ryan Johnson assigned to Houston Astros. |
| Mar 10 | Lucas Spence | Assigned | OF Lucas Spence assigned to Houston Astros. |
| Mar 7 | Ryan Gusto | Optioned | Houston Astros optioned RHP Ryan Gusto to Sugar Land Space Cowboys. |
| Mar 1 | Tyler Guilfoil | Assigned | RHP Tyler Guilfoil assigned to Houston Astros. |
| Feb 24 | Luis Amador | Signed as Free Agent | Houston Astros signed free agent RHP Luis Amador to a minor league contract. |
| Feb 24 | James Hicks | Assigned | RHP James Hicks assigned to Houston Astros. |
| Feb 24 | Nic Swanson | Assigned | RHP Nic Swanson assigned to Houston Astros. |
| Feb 24 | Anderson Bido | Assigned | RHP Anderson Bido assigned to Houston Astros. |
| Feb 23 | Will Bush | Assigned | Houston Astros invited non-roster C Will Bush to spring training. |
| Feb 23 | Alex Santos II | Assigned | Houston Astros invited non-roster RHP Alex Santos II to spring training. |
| Feb 22 | Blair Henley | Status Change | RHP Blair Henley roster status changed by Houston Astros. |
| Feb 22 | Cesar Gomez | Status Change | RHP Cesar Gomez roster status changed by Houston Astros. |
| Feb 22 | Zach Daniels | Status Change | RF Zach Daniels roster status changed by Houston Astros. |
| Feb 22 | Colin Barber | Status Change | LF Colin Barber roster status changed by Houston Astros. |
| Feb 22 | Logan Cerny | Status Change | CF Logan Cerny roster status changed by Houston Astros. |
| Feb 22 | Edinson Batista | Status Change | RHP Edinson Batista roster status changed by Houston Astros. |
| Feb 22 | Railin Perez | Assigned | RHP Railin Perez assigned to Houston Astros. |
| Feb 22 | German Ramirez | Assigned | SS German Ramirez assigned to Houston Astros. |
| Feb 22 | Wilmy Sanchez | Assigned | RHP Wilmy Sanchez assigned to Houston Astros. |
| Feb 22 | Cristian Gonzalez | Assigned | SS Cristian Gonzalez assigned to Houston Astros. |
| Feb 22 | Luis Baez | Assigned | RF Luis Baez assigned to Houston Astros. |
| Feb 22 | Luis Castro | Assigned | 1B Luis Castro assigned to Houston Astros. |
| Feb 22 | Blair Henley | Assigned | RHP Blair Henley assigned to Houston Astros. |
| Feb 22 | Joey Mancini | Assigned | RHP Joey Mancini assigned to Houston Astros. |
| Feb 22 | Trey Dombroski | Assigned | LHP Trey Dombroski assigned to Houston Astros. |
| Feb 22 | Ryan Wrobleski | Assigned | C Ryan Wrobleski assigned to Houston Astros. |
| Feb 22 | Pascanel Ferreras | Assigned | 2B Pascanel Ferreras assigned to Houston Astros. |
| Feb 22 | Alex Gonzalez | Assigned | RHP Alex Gonzalez assigned to Houston Astros. |
| Feb 22 | Joseph Sullivan | Assigned | CF Joseph Sullivan assigned to Houston Astros. |
| Feb 22 | Colin Barber | Assigned | LF Colin Barber assigned to Houston Astros. |
| Feb 22 | Zach Daniels | Status Change | RF Zach Daniels roster status changed by Houston Astros. |
| Feb 22 | Nehomar Ochoa Jr. | Assigned | RF Nehomar Ochoa Jr. assigned to Houston Astros. |
| Feb 22 | Kenni Gomez | Assigned | CF Kenni Gomez assigned to Houston Astros. |
| Feb 22 | Alejandro Torres | Assigned | RHP Alejandro Torres assigned to Houston Astros. |
| Feb 22 | Cesar Gomez | Assigned | RHP Cesar Gomez assigned to Houston Astros. |
| Feb 22 | Edinson Batista | Assigned | RHP Edinson Batista assigned to Houston Astros. |
| Feb 22 | Logan Cerny | Assigned | CF Logan Cerny assigned to Houston Astros. |
| Feb 22 | Garret Guillemette | Assigned | C Garret Guillemette assigned to Houston Astros. |
| Feb 22 | Brody Rodning | Assigned | LHP Brody Rodning assigned to Houston Astros. |
| Feb 22 | Chase Jaworsky | Assigned | SS Chase Jaworsky assigned to Houston Astros. |
| Feb 22 | Zach Daniels | Assigned | RF Zach Daniels assigned to Houston Astros. |
| Feb 21 | Brendan Rodgers | Signed as Free Agent | Houston Astros signed free agent 2B Brendan Rodgers to a minor league contract and invited him to spring training. |
| Feb 14 | Christian Colon | Signed as Free Agent | Houston Astros signed free agent IF Christian Colon to a minor league contract. |
| Feb 13 | Luis Guillorme | Signed as Free Agent | Houston Astros signed free agent 2B Luis Guillorme to a minor league contract and invited him to spring training. |
| Feb 12 | Jhosue Rodriguez | Signed as Free Agent | Houston Astros signed free agent RHP Jhosue Rodriguez to a minor league contract. |
| Feb 12 | Anderson Aguilar | Signed as Free Agent | Houston Astros signed free agent RHP Anderson Aguilar to a minor league contract. |
| Feb 6 | Ben Gamel | Signed as Free Agent | Houston Astros signed free agent RF Ben Gamel. |
| Jan 28 | Juan Bello | Trade | Houston Astros traded RHP Ryan Pressly to Chicago Cubs for RHP Juan Bello. |
| Jan 17 | Jacob Melton | Status Change | CF Jacob Melton roster status changed by Houston Astros. |
| Jan 17 | Jacob Melton | Assigned | Houston Astros invited non-roster CF Jacob Melton to spring training. |
| Jan 17 | Quincy Hamilton | Assigned | Houston Astros invited non-roster CF Quincy Hamilton to spring training. |
| Jan 17 | Tommy Sacco Jr. | Assigned | Houston Astros invited non-roster SS Tommy Sacco Jr. to spring training. |
| Jan 17 | Brice Matthews | Assigned | Houston Astros invited non-roster SS Brice Matthews to spring training. |
| Jan 17 | Jesús Bastidas | Assigned | Houston Astros invited non-roster SS Jesús Bastidas to spring training. |
| Jan 17 | Collin Price | Assigned | Houston Astros invited non-roster C Collin Price to spring training. |
| Jan 17 | Miguel Palma | Assigned | Houston Astros invited non-roster C Miguel Palma to spring training. |
| Jan 17 | Brandon Walter | Assigned | Houston Astros invited non-roster LHP Brandon Walter to spring training. |
| Jan 17 | Logan VanWey | Assigned | Houston Astros invited non-roster RHP Logan VanWey to spring training. |
| Jan 17 | Miguel Ullola | Assigned | Houston Astros invited non-roster RHP Miguel Ullola to spring training. |
| Jan 17 | Misael Tamarez | Assigned | Houston Astros invited non-roster RHP Misael Tamarez to spring training. |
| Jan 17 | Glenn Otto Jr. | Assigned | Houston Astros invited non-roster RHP Glenn Otto to spring training. |
| Jan 17 | Steven Okert | Assigned | Houston Astros invited non-roster LHP Steven Okert to spring training. |
| Jan 17 | Rafael Montero | Assigned | Houston Astros invited non-roster RHP Rafael Montero to spring training. |
| Jan 17 | Ray Gaither | Assigned | Houston Astros invited non-roster RHP Ray Gaither to spring training. |
| Jan 17 | Jose Fleury | Assigned | Houston Astros invited non-roster RHP Jose Fleury to spring training. |
| Jan 17 | Aaron Brown | Assigned | Houston Astros invited non-roster RHP Aaron Brown to spring training. |
| Jan 17 | AJ Blubaugh | Assigned | Houston Astros invited non-roster RHP A.J. Blubaugh to spring training. |
| Jan 16 | Bryan Lavastida | Signed as Free Agent | Houston Astros signed free agent C Bryan Lavastida to a minor league contract. |
| Jan 15 | Emilio Payro | Signed as Free Agent | Houston Astros signed free agent RHP Emilio Payro to a minor league contract. |
| Jan 15 | Adrian Ruiz | Signed as Free Agent | Houston Astros signed free agent RHP Adrian Ruiz to a minor league contract. |
| Jan 15 | Ismael Obregon | Signed as Free Agent | Houston Astros signed free agent RHP Ismael Obregon to a minor league contract. |
| Jan 15 | Juan Fraide | Signed as Free Agent | Houston Astros signed free agent RHP Juan Fraide to a minor league contract. |
| Jan 15 | Omar Damian | Signed as Free Agent | Houston Astros signed free agent RHP Omar Damian to a minor league contract. |
| Jan 15 | Kevin Alvarez | Signed as Free Agent | Houston Astros signed free agent OF Kevin Alvarez to a minor league contract. |
| Jan 15 | Ronald De Los Santos | Signed as Free Agent | Houston Astros signed free agent RHP Ronald De Los Santos to a minor league contract. |
| Jan 15 | Jose De La Cruz | Signed as Free Agent | Houston Astros signed free agent SS Jose De La Cruz to a minor league contract. |
| Jan 15 | Pablo Martinez | Signed as Free Agent | Houston Astros signed free agent SS Pablo Martinez to a minor league contract. |
| Jan 15 | Jesus Sosa | Signed as Free Agent | Houston Astros signed free agent RHP Jesus Sosa to a minor league contract. |
| Jan 15 | Freddy Ramos | Signed as Free Agent | Houston Astros signed free agent OF Freddy Ramos to a minor league contract. |
| Jan 15 | Esteban Castro | Signed as Free Agent | Houston Astros signed free agent C Esteban Castro to a minor league contract. |
| Jan 15 | Anderson Areinamo | Signed as Free Agent | Houston Astros signed free agent SS Anderson Areinamo to a minor league contract. |
| Jan 15 | Juan Rojas | Signed as Free Agent | Houston Astros signed free agent SS Juan Rojas to a minor league contract. |
| Jan 15 | Anthony Millan | Signed as Free Agent | Houston Astros signed free agent OF Anthony Millan to a minor league contract. |
| Jan 15 | Emilio Gonzalez | Signed as Free Agent | Houston Astros signed free agent C Emilio Gonzalez to a minor league contract. |
| Jan 15 | Emilio Gonzalez | Signed as Free Agent | Houston Astros signed free agent C Emilio Gonzalez to a minor league contract. |
| Jan 15 | Dayerson Cova | Signed as Free Agent | Houston Astros signed free agent RHP Dayerson Cova to a minor league contract. |
| Jan 15 | Eric Mota | Signed as Free Agent | Houston Astros signed free agent SS Eric Mota to a minor league contract. |
| Jan 15 | Ire Garcia | Signed as Free Agent | Houston Astros signed free agent C Ire Garcia to a minor league contract. |
| Jan 15 | Santiago Martinez | Signed as Free Agent | Houston Astros signed free agent SS Santiago Martinez to a minor league contract. |
| Jan 8 | Grae Kessinger | Trade | Houston Astros traded 3B Grae Kessinger to Arizona Diamondbacks for RHP Matthew Linskey. |
| Jan 6 | Zack Short | Status Change | 3B Zack Short roster status changed by Houston Astros. |
| Jan 6 | Blake Weiman | Status Change | LHP Blake Weiman roster status changed by Houston Astros. |
| Jan 6 | Blake Weiman | Signed as Free Agent | Houston Astros signed free agent LHP Blake Weiman to a minor league contract. |
| Jan 6 | Zack Short | Signed as Free Agent | Houston Astros signed free agent 3B Zack Short to a minor league contract. |
| Jan 2 | Jose Gonzalez | Signed as Free Agent | Houston Astros signed free agent OF Jose Gonzalez to a minor league contract. |