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CIN · 2025 transactions
Data through 2026-10-04
| Date | Player | Type | Detail |
|---|---|---|---|
| Dec 30 | Josh Staumont | Signed as Free Agent | Cincinnati Reds signed free agent RHP Josh Staumont to a minor league contract. |
| Dec 29 | Garrett Hampson | Status Change | 2B Garrett Hampson roster status changed by Cincinnati Reds. |
| Dec 29 | Garrett Hampson | Signed as Free Agent | Cincinnati Reds signed free agent 2B Garrett Hampson to a minor league contract. |
| Dec 27 | Brandon Leibrandt | Signed as Free Agent | Cincinnati Reds signed free agent LHP Brandon Leibrandt to a minor league contract. |
| Dec 27 | JJ Bleday | Status Change | Cincinnati Reds activated CF JJ Bleday. |
| Dec 27 | Ethan O'Donnell | Trade | Cincinnati Reds traded CF Ethan O'Donnell to Miami Marlins for CF Dane Myers. |
| Dec 27 | Lyon Richardson | Designated for Assignment | Cincinnati Reds designated RHP Lyon Richardson for assignment. |
| Dec 27 | Keegan Thompson | Designated for Assignment | Cincinnati Reds designated RHP Keegan Thompson for assignment. |
| Dec 27 | JJ Bleday | Signed as Free Agent | Cincinnati Reds signed free agent CF JJ Bleday. |
| Dec 24 | Michael Chavis | Status Change | 2B Michael Chavis roster status changed by Cincinnati Reds. |
| Dec 24 | Michael Chavis | Signed as Free Agent | Cincinnati Reds signed free agent 2B Michael Chavis to a minor league contract. |
| Dec 24 | David Mendoza | Signed as Free Agent | Cincinnati Reds signed free agent RHP David Mendoza to a minor league contract. |
| Dec 18 | Sal Stewart | Status Change | Cincinnati Reds activated 3B Sal Stewart. |
| Dec 18 | Luis Mey | Status Change | Cincinnati Reds activated RHP Luis Mey. |
| Dec 18 | Noelvi Marte | Status Change | Cincinnati Reds activated 3B Noelvi Marte. |
| Dec 18 | Caleb Ferguson | Signed as Free Agent | Cincinnati Reds signed free agent LHP Caleb Ferguson. |
| Dec 17 | P.J. Higgins | Signed as Free Agent | Cincinnati Reds signed free agent C P.J. Higgins to a minor league contract. |
| Dec 10 | Baldwin Moreno | Signed as Free Agent | Cincinnati Reds signed free agent LHP Baldwin Moreno to a minor league contract. |
| Dec 10 | Jack Rogers | Rule 5 Draft Minors | Washington Nationals purchased contract of LF Jack Rogers in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Zavier Warren | Rule 5 Draft Minors | Cincinnati Reds purchased contract of 1B Zavier Warren in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Nate Peterson | Rule 5 Draft Minors | Cincinnati Reds purchased contract of LHP Nate Peterson 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 5 | Joel Valdez | Status Change | LHP Joel Valdez roster status changed by Cincinnati Reds. |
| Dec 5 | Joel Valdez | Signed as Free Agent | Cincinnati Reds signed free agent LHP Joel Valdez to a minor league contract. |
| Dec 4 | Emilio Pagán | Signed as Free Agent | Cincinnati Reds signed free agent RHP Emilio Pagán. |
| Dec 2 | Will Banfield | Status Change | C Will Banfield roster status changed by Cincinnati Reds. |
| Dec 2 | Roddery Muñoz | Signed as Free Agent | Cincinnati Reds signed free agent RHP Roddery Muñoz to a minor league contract. |
| Dec 2 | Will Banfield | Signed as Free Agent | Cincinnati Reds signed free agent C Will Banfield to a minor league contract. |
| Nov 26 | Taylor Floyd | Signed as Free Agent | Cincinnati Reds signed free agent RHP Taylor Floyd to a minor league contract. |
| Nov 24 | Carson Spiers | Status Change | RHP Carson Spiers roster status changed by Cincinnati Reds. |
| Nov 24 | Carson Spiers | Signed as Free Agent | Cincinnati Reds signed free agent RHP Carson Spiers to a minor league contract and invited him to spring training. |
| Nov 21 | Roddery Muñoz | Declared Free Agency | RHP Roddery Muñoz elected free agency. |
| Nov 21 | Carson Spiers | Declared Free Agency | RHP Carson Spiers elected free agency. |
| Nov 21 | Will Banfield | Declared Free Agency | C Will Banfield elected free agency. |
| Nov 18 | Tejay Antone | Status Change | RHP Tejay Antone roster status changed by Cincinnati Reds. |
| Nov 18 | Tejay Antone | Signed as Free Agent | Cincinnati Reds signed free agent RHP Tejay Antone to a minor league contract. |
| Nov 18 | Leo Balcazar | Selected | Cincinnati Reds selected the contract of SS Leo Balcazar from Chattanooga Lookouts. |
| Nov 18 | Edwin Arroyo | Selected | Cincinnati Reds selected the contract of SS Edwin Arroyo from Chattanooga Lookouts. |
| Nov 18 | Héctor Rodríguez | Selected | Cincinnati Reds selected the contract of LF Héctor Rodríguez from Chattanooga Lookouts. |
| Nov 18 | Carson Spiers | Designated for Assignment | Cincinnati Reds designated RHP Carson Spiers for assignment. |
| Nov 12 | Ben Rortvedt | Claimed Off Waivers | Cincinnati Reds claimed C Ben Rortvedt off waivers from Los Angeles Dodgers. |
| Nov 6 | Brandon Williamson | Status Change | Cincinnati Reds activated LHP Brandon Williamson from the 60-day injured list. |
| Nov 6 | Carson Spiers | Status Change | Cincinnati Reds activated RHP Carson Spiers from the 60-day injured list. |
| Nov 6 | Rhett Lowder | Status Change | Cincinnati Reds activated RHP Rhett Lowder. |
| Nov 6 | Tyler Callihan | Status Change | Cincinnati Reds activated LF Tyler Callihan from the 60-day injured list. |
| Nov 6 | Julian Aguiar | Status Change | Cincinnati Reds activated RHP Julian Aguiar from the 60-day injured list. |
| Nov 6 | Reiver Sanmartin | Claimed Off Waivers | San Francisco Giants claimed LHP Reiver Sanmartin off waivers from Cincinnati Reds. |
| Nov 6 | Roddery Muñoz | Claimed Off Waivers | Cincinnati Reds claimed RHP Roddery Muñoz off waivers from St. Louis Cardinals. |
| Nov 6 | Jose Franco | Selected | Cincinnati Reds selected the contract of RHP Jose Franco from Louisville Bats. |
| Nov 6 | Sam Benschoter | Outrighted | Cincinnati Reds sent RHP Sam Benschoter outright to Louisville Bats. |
| Nov 5 | Brent Suter | Declared Free Agency | LHP Brent Suter elected free agency. |
| Nov 5 | Austin Hays | Declared Free Agency | LF Austin Hays elected free agency. |
| Nov 5 | Scott Barlow | Declared Free Agency | RHP Scott Barlow elected free agency. |
| Nov 4 | Keegan Thompson | Signed as Free Agent | Cincinnati Reds signed free agent RHP Keegan Thompson. |
| Nov 3 | — | Trade | Cincinnati Reds traded RF Ryan Vilade to Tampa Bay Rays for cash. |
| Nov 2 | Emilio Pagán | Declared Free Agency | RHP Emilio Pagán elected free agency. |
| Nov 2 | Wade Miley | Declared Free Agency | LHP Wade Miley elected free agency. |
| Nov 2 | Nick Martinez | Declared Free Agency | RHP Nick Martinez elected free agency. |
| Nov 2 | Zack Littell | Declared Free Agency | RHP Zack Littell elected free agency. |
| Nov 2 | Miguel Andujar | Declared Free Agency | LF Miguel Andujar elected free agency. |
| Oct 31 | Henry Hunter | Signed as Free Agent | Cincinnati Reds signed free agent C Henry Hunter to a minor league contract. |
| Oct 31 | Santiago Espinal | Outrighted | Cincinnati Reds sent 3B Santiago Espinal outright to Louisville Bats. |
| Oct 30 | Ian Francis | Signed as Free Agent | Cincinnati Reds signed free agent C Ian Francis to a minor league contract. |
| Oct 28 | Ian Gibaut | Outrighted | Cincinnati Reds sent RHP Ian Gibaut outright to Louisville Bats. |
| Oct 28 | Ian Gibaut | Status Change | Cincinnati Reds activated RHP Ian Gibaut from the 60-day injured list. |
| Oct 9 | Jose Navarrete | Signed as Free Agent | Cincinnati Reds signed free agent RHP Jose Navarrete to a minor league contract. |
| Oct 2 | Yosver Zulueta | Status Change | Cincinnati Reds activated RHP Yosver Zulueta. |
| Oct 2 | Blake Dunn | Status Change | Cincinnati Reds activated LF Blake Dunn. |
| Oct 2 | Christian Encarnacion-Strand | Status Change | Cincinnati Reds activated 1B Christian Encarnacion-Strand. |
| Oct 2 | Ryan Vilade | Status Change | Cincinnati Reds activated RF Ryan Vilade. |
| Oct 2 | Luis Mey | Status Change | Cincinnati Reds activated RHP Luis Mey. |
| Oct 2 | Zach Maxwell | Status Change | Cincinnati Reds activated RHP Zach Maxwell. |
| Oct 2 | Rece Hinds | Status Change | Cincinnati Reds activated RF Rece Hinds. |
| Oct 2 | Sam Moll | Status Change | Cincinnati Reds activated LHP Sam Moll. |
| Oct 2 | Chase Petty | Status Change | Cincinnati Reds activated RHP Chase Petty. |
| Oct 2 | Reiver Sanmartin | Status Change | Cincinnati Reds activated LHP Reiver Sanmartin. |
| Oct 2 | Brady Singer | Status Change | Cincinnati Reds activated RHP Brady Singer. |
| Oct 2 | Lyon Richardson | Status Change | Cincinnati Reds activated RHP Lyon Richardson. |
| Oct 2 | Sam Benschoter | Status Change | Cincinnati Reds activated RHP Sam Benschoter. |
| Oct 2 | Will Banfield | Status Change | Cincinnati Reds activated C Will Banfield. |
| Sep 30 | Christian Encarnacion-Strand | Status Change | 1B Christian Encarnacion-Strand roster status changed by Cincinnati Reds. |
| Sep 30 | Blake Dunn | Status Change | LF Blake Dunn roster status changed by Cincinnati Reds. |
| Sep 30 | Ryan Vilade | Status Change | RF Ryan Vilade roster status changed by Cincinnati Reds. |
| Sep 30 | Rece Hinds | Status Change | RF Rece Hinds roster status changed by Cincinnati Reds. |
| Sep 30 | Will Banfield | Status Change | C Will Banfield roster status changed by Cincinnati Reds. |
| Sep 30 | Yosver Zulueta | Status Change | RHP Yosver Zulueta roster status changed by Cincinnati Reds. |
| Sep 30 | Brady Singer | Status Change | RHP Brady Singer roster status changed by Cincinnati Reds. |
| Sep 30 | Reiver Sanmartin | Status Change | LHP Reiver Sanmartin roster status changed by Cincinnati Reds. |
| Sep 30 | Lyon Richardson | Status Change | RHP Lyon Richardson roster status changed by Cincinnati Reds. |
| Sep 30 | Chase Petty | Status Change | RHP Chase Petty roster status changed by Cincinnati Reds. |
| Sep 30 | Sam Moll | Status Change | LHP Sam Moll roster status changed by Cincinnati Reds. |
| Sep 30 | Luis Mey | Status Change | RHP Luis Mey roster status changed by Cincinnati Reds. |
| Sep 30 | Zach Maxwell | Status Change | RHP Zach Maxwell roster status changed by Cincinnati Reds. |
| Sep 30 | Sam Benschoter | Status Change | RHP Sam Benschoter roster status changed by Cincinnati Reds. |
| Sep 29 | Yosver Zulueta | Recalled | Cincinnati Reds recalled RHP Yosver Zulueta from Louisville Bats. |
| Sep 29 | Reiver Sanmartin | Recalled | Cincinnati Reds recalled LHP Reiver Sanmartin from Louisville Bats. |
| Sep 29 | Ryan Vilade | Recalled | Cincinnati Reds recalled RF Ryan Vilade from Louisville Bats. |
| Sep 29 | Lyon Richardson | Recalled | Cincinnati Reds recalled RHP Lyon Richardson from Louisville Bats. |
| Sep 29 | Chase Petty | Recalled | Cincinnati Reds recalled RHP Chase Petty from Louisville Bats. |
| Sep 29 | Sam Moll | Recalled | Cincinnati Reds recalled LHP Sam Moll from Louisville Bats. |
| Sep 29 | Luis Mey | Recalled | Cincinnati Reds recalled RHP Luis Mey from Louisville Bats. |
| Sep 29 | Rece Hinds | Recalled | Cincinnati Reds recalled RF Rece Hinds from Louisville Bats. |
| Sep 29 | Christian Encarnacion-Strand | Recalled | Cincinnati Reds recalled 1B Christian Encarnacion-Strand from Louisville Bats. |
| Sep 29 | Blake Dunn | Recalled | Cincinnati Reds recalled LF Blake Dunn from Louisville Bats. |
| Sep 29 | Sam Benschoter | Recalled | Cincinnati Reds recalled RHP Sam Benschoter from Louisville Bats. |
| Sep 29 | Will Banfield | Recalled | Cincinnati Reds recalled C Will Banfield from Louisville Bats. |
| Sep 16 | Jose Trevino | Number Change | C Jose Trevino changed number to 35. |
| Sep 16 | Emilio Pagán | Number Change | RHP Emilio Pagán changed number to 15. |
| Sep 16 | Brent Suter | Number Change | LHP Brent Suter changed number to 31. |
| Sep 15 | Brent Suter | Number Change | LHP Brent Suter changed number to 21. |
| Sep 15 | Jose Trevino | Number Change | C Jose Trevino changed number to 21. |
| Sep 15 | Emilio Pagán | Number Change | RHP Emilio Pagán changed number to 21. |
| Sep 13 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to Louisville Bats. |
| Sep 13 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to Louisville Bats. |
| Sep 11 | Yosver Zulueta | Optioned | Cincinnati Reds optioned RHP Yosver Zulueta to Louisville Bats. |
| Sep 11 | Lyon Richardson | Optioned | Cincinnati Reds optioned RHP Lyon Richardson to Louisville Bats. |
| Sep 11 | Chase Burns | Status Change | Cincinnati Reds activated RHP Chase Burns from the 15-day injured list. |
| Sep 11 | Graham Ashcraft | Status Change | Cincinnati Reds activated RHP Graham Ashcraft from the 15-day injured list. |
| Sep 5 | Joe La Sorsa | Outrighted | Cincinnati Reds sent LHP Joe La Sorsa outright to Louisville Bats. |
| Sep 5 | Will Banfield | Optioned | Cincinnati Reds optioned C Will Banfield to Louisville Bats. |
| Sep 5 | Tyler Stephenson | Status Change | Cincinnati Reds activated C Tyler Stephenson from the 10-day injured list. |
| Sep 3 | Tyler Stephenson | Assigned | Cincinnati Reds sent C Tyler Stephenson on a rehab assignment to Louisville Bats. |
| Sep 3 | Tyler Stephenson | Assigned | Cincinnati Reds sent C Tyler Stephenson on a rehab assignment to Louisville Bats. |
| Sep 3 | Reiver Sanmartin | Optioned | Cincinnati Reds optioned LHP Reiver Sanmartin to Louisville Bats. |
| Sep 3 | Lyon Richardson | Recalled | Cincinnati Reds recalled RHP Lyon Richardson from Louisville Bats. |
| Sep 2 | Sam Moll | Optioned | Cincinnati Reds optioned LHP Sam Moll to Louisville Bats. |
| Sep 2 | Reiver Sanmartin | Selected | Cincinnati Reds selected the contract of LHP Reiver Sanmartin from Louisville Bats. |
| Sep 2 | Joe La Sorsa | Designated for Assignment | Cincinnati Reds designated LHP Joe La Sorsa for assignment. |
| Sep 1 | Sal Stewart | Selected | Cincinnati Reds selected the contract of 3B Sal Stewart from Louisville Bats. |
| Sep 1 | Yosver Zulueta | Recalled | Cincinnati Reds recalled RHP Yosver Zulueta from Louisville Bats. |
| Aug 31 | Connor Joe | Outrighted | Cincinnati Reds sent RF Connor Joe outright to Louisville Bats. |
| Aug 27 | Graham Ashcraft | Status Change | Cincinnati Reds placed RHP Graham Ashcraft on the 15-day injured list retroactive to August 25, 2025. Right forearm strain. |
| Aug 27 | Nick Lodolo | Status Change | Cincinnati Reds activated LHP Nick Lodolo from the 15-day injured list. |
| Aug 26 | Julian Garcia | Signed as Free Agent | Cincinnati Reds signed free agent RHP Julian Garcia to a minor league contract. |
| Aug 22 | Zach Maxwell | Selected | Cincinnati Reds selected the contract of RHP Zach Maxwell from Louisville Bats. |
| Aug 21 | Luis Mey | Optioned | Cincinnati Reds optioned RHP Luis Mey to Louisville Bats. |
| Aug 20 | Tyler Stephenson | Status Change | Cincinnati Reds placed C Tyler Stephenson on the 10-day injured list retroactive to August 17, 2025. Left thumb fracture. |
| Aug 20 | Will Banfield | Selected | Cincinnati Reds selected the contract of C Will Banfield from Louisville Bats. |
| Aug 19 | Alexander Vargas | Signed as Free Agent | Cincinnati Reds signed free agent SS Alexander Vargas to a minor league contract. |
| Aug 19 | Jake Fraley | Claimed Off Waivers | Atlanta Braves claimed RF Jake Fraley off waivers from Cincinnati Reds. |
| Aug 17 | Jake Fraley | Designated for Assignment | Cincinnati Reds designated RF Jake Fraley for assignment. |
| Aug 17 | Will Benson | Recalled | Cincinnati Reds recalled LF Will Benson from Louisville Bats. |
| Aug 17 | Connor Phillips | Recalled | Cincinnati Reds recalled RHP Connor Phillips from Louisville Bats. |
| Aug 17 | Joe La Sorsa | Optioned | Cincinnati Reds optioned LHP Joe La Sorsa to Louisville Bats. |
| Aug 15 | Wade Miley | Assigned | Cincinnati Reds sent LHP Wade Miley on a rehab assignment to Chattanooga Lookouts. |
| Aug 15 | Joe La Sorsa | Recalled | Cincinnati Reds recalled LHP Joe La Sorsa from Louisville Bats. |
| Aug 15 | Chase Burns | Status Change | Cincinnati Reds placed RHP Chase Burns on the 15-day injured list retroactive to August 12, 2025. Grade 1 right flexor strain. |
| Aug 15 | Wade Miley | Assigned | Cincinnati Reds sent LHP Wade Miley on a rehab assignment to Chattanooga Lookouts. |
| Aug 13 | Hunter Greene | Status Change | Cincinnati Reds activated RHP Hunter Greene from the 15-day injured list. |
| Aug 13 | Sam Benschoter | Optioned | Cincinnati Reds optioned RHP Sam Benschoter to Louisville Bats. |
| Aug 12 | Connor O'Hara | Signed as Free Agent | Cincinnati Reds signed free agent RHP Connor O'Hara to a minor league contract. |
| Aug 12 | Griffin Green | Signed as Free Agent | Cincinnati Reds signed free agent RHP Griffin Green to a minor league contract. |
| Aug 8 | Yosver Zulueta | Optioned | Cincinnati Reds optioned RHP Yosver Zulueta to Louisville Bats. |
| Aug 8 | Sam Benschoter | Recalled | Cincinnati Reds recalled RHP Sam Benschoter from Louisville Bats. |
| Aug 5 | Charlie Barnes | Signed as Free Agent | Cincinnati Reds signed free agent LHP Charlie Barnes to a minor league contract. |
| Aug 5 | Nick Lodolo | Status Change | Cincinnati Reds placed LHP Nick Lodolo on the 15-day injured list. Left finger blister. |
| Aug 5 | Yosver Zulueta | Recalled | Cincinnati Reds recalled RHP Yosver Zulueta from Louisville Bats. |
| Aug 4 | Lyon Richardson | Optioned | Cincinnati Reds optioned RHP Lyon Richardson to Louisville Bats. |
| Aug 3 | Ian Gibaut | Assigned | Cincinnati Reds sent RHP Ian Gibaut on a rehab assignment to Louisville Bats. |
| Aug 3 | Lyon Richardson | Recalled | Cincinnati Reds recalled RHP Lyon Richardson from Louisville Bats. |
| Aug 3 | Will Benson | Optioned | Cincinnati Reds optioned LF Will Benson to Louisville Bats. |
| Aug 2 | Lyon Richardson | Optioned | Cincinnati Reds optioned RHP Lyon Richardson to Louisville Bats. |
| Aug 2 | Connor Joe | Optioned | Cincinnati Reds optioned RF Connor Joe to Louisville Bats. |
| Aug 2 | TJ Friedl | Status Change | Cincinnati Reds activated CF TJ Friedl from the restricted list. |
| Aug 2 | Zack Littell | Status Change | Cincinnati Reds activated RHP Zack Littell. |
| Aug 2 | Miguel Andujar | Status Change | Cincinnati Reds activated LF Miguel Andujar. |
| Aug 1 | TJ Friedl | Status Change | Cincinnati Reds placed CF TJ Friedl on the restricted list. |
| Jul 31 | Wade Miley | Status Change | Cincinnati Reds transferred LHP Wade Miley from the 15-day injured list to the 60-day injured list. Left flexor strain. |
| Jul 31 | Kenya Huggins | Trade | Athletics traded LF Miguel Andujar to Cincinnati Reds for RHP Kenya Huggins. |
| Jul 31 | Ke'Bryan Hayes | Status Change | Cincinnati Reds activated 3B Ke'Bryan Hayes. |
| Jul 31 | Rece Hinds | Optioned | Cincinnati Reds optioned RF Rece Hinds to Louisville Bats. |
| Jul 30 | Zack Littell | Status Change | RHP Zack Littell roster status changed by Cincinnati Reds. |
| Jul 30 | Adam Serwinowski | Trade | Tampa Bay Rays traded RHP Zack Littell to Cincinnati Reds for RHP Brian Van Belle and LHP Adam Serwinowski. |
| Jul 30 | Ke'Bryan Hayes | Status Change | 3B Ke'Bryan Hayes roster status changed by Cincinnati Reds. |
| Jul 30 | Luis Mey | Recalled | Cincinnati Reds recalled RHP Luis Mey from Louisville Bats. |
| Jul 30 | Sammy Stafura | Trade | Pittsburgh Pirates traded 3B Ke'Bryan Hayes to Cincinnati Reds for LHP Taylor Rogers, SS Sammy Stafura and cash. |
| Jul 29 | Hunter Greene | Assigned | Cincinnati Reds sent RHP Hunter Greene on a rehab assignment to Louisville Bats. |
| Jul 29 | Taylor Rogers | Status Change | LHP Taylor Rogers roster status changed by Cincinnati Reds. |
| Jul 29 | Hunter Greene | Assigned | Cincinnati Reds sent RHP Hunter Greene on a rehab assignment to Louisville Bats. |
| Jul 29 | Hunter Greene | Assigned | Cincinnati Reds sent RHP Hunter Greene on a rehab assignment to Louisville Bats. |
| Jul 29 | Rece Hinds | Recalled | Cincinnati Reds recalled RF Rece Hinds from Louisville Bats. |
| Jul 29 | TJ Friedl | Status Change | Cincinnati Reds placed CF TJ Friedl on the paternity list. |
| Jul 29 | Hunter Greene | Assigned | Cincinnati Reds sent RHP Hunter Greene on a rehab assignment to Louisville Bats. |
| Jul 26 | Scott Barlow | Status Change | Cincinnati Reds activated RHP Scott Barlow from the paternity list. |
| Jul 26 | Luis Mey | Optioned | Cincinnati Reds optioned RHP Luis Mey to Louisville Bats. |
| Jul 25 | Andrew Shaffner | Signed | Cincinnati Reds signed RHP Andrew Shaffner. |
| Jul 25 | Luis Mey | Recalled | Cincinnati Reds recalled RHP Luis Mey from Louisville Bats. |
| Jul 25 | Scott Barlow | Status Change | Cincinnati Reds placed RHP Scott Barlow on the paternity list. |
| Jul 23 | Hunter Greene | Assigned | Cincinnati Reds sent RHP Hunter Greene on a rehab assignment to ACL Reds. |
| Jul 23 | Hunter Greene | Assigned | Cincinnati Reds sent RHP Hunter Greene on a rehab assignment to ACL Reds. |
| Jul 23 | Hunter Greene | Assigned | Cincinnati Reds sent RHP Hunter Greene on a rehab assignment to ACL Reds. |
| Jul 22 | Reid Clague | Signed as Free Agent | Cincinnati Reds signed free agent LHP Reid Clague to a minor league contract. |
| Jul 22 | Kyle McCoy | Signed | Cincinnati Reds signed LHP Kyle McCoy. |
| Jul 22 | Aaron Watson | Signed | Cincinnati Reds signed RHP Aaron Watson. |
| Jul 21 | Kien Vu | Signed | Cincinnati Reds signed OF Kien Vu. |
| Jul 21 | Eli Pitts | Signed | Cincinnati Reds signed OF Eli Pitts. |
| Jul 21 | Mason Neville | Signed | Cincinnati Reds signed OF Mason Neville. |
| Jul 21 | Mason Morris | Signed | Cincinnati Reds signed RHP Mason Morris. |
| Jul 21 | Maison Martinez | Signed | Cincinnati Reds signed RHP Maison Martinez. |
| Jul 21 | Carson Latimer | Signed | Cincinnati Reds signed RHP Carson Latimer. |
| Jul 21 | Dylan King | Signed | Cincinnati Reds signed C Dylan King. |
| Jul 21 | Steele Hall | Signed | Cincinnati Reds signed SS Steele Hall. |
| Jul 21 | Ty Doucette | Signed | Cincinnati Reds signed 1B Ty Doucette. |
| Jul 21 | Jake Brink | Signed | Cincinnati Reds signed RHP Jake Brink. |
| Jul 21 | Bryce Archie | Signed | Cincinnati Reds signed RHP Bryce Archie. |
| Jul 21 | Brady Afthim | Signed | Cincinnati Reds signed RHP Brady Afthim. |
| Jul 18 | Justin Henschel | Signed | Cincinnati Reds signed RHP Justin Henschel. |
| Jul 18 | Braden Osbolt | Signed | Cincinnati Reds signed RHP Braden Osbolt. |
| Jul 12 | Christian Encarnacion-Strand | Optioned | Cincinnati Reds optioned 1B Christian Encarnacion-Strand to Louisville Bats. |
| Jul 12 | Jake Fraley | Status Change | Cincinnati Reds activated RF Jake Fraley from the 10-day injured list. |
| Jul 8 | Carson Spiers | Assigned | Cincinnati Reds sent RHP Carson Spiers on a rehab assignment to Louisville Bats. |
| Jul 8 | Jake Fraley | Assigned | Cincinnati Reds sent RF Jake Fraley on a rehab assignment to Louisville Bats. |
| Jul 8 | Carson Spiers | Assigned | Cincinnati Reds sent RHP Carson Spiers on a rehab assignment to Louisville Bats. |
| Jul 8 | Carson Spiers | Assigned | Cincinnati Reds sent RHP Carson Spiers on a rehab assignment to Louisville Bats. |
| Jul 8 | Jake Fraley | Assigned | Cincinnati Reds sent RF Jake Fraley on a rehab assignment to Louisville Bats. |
| Jul 7 | Connor Joe | Status Change | Cincinnati Reds activated RF Connor Joe from the 10-day injured list. |
| Jul 7 | Rece Hinds | Optioned | Cincinnati Reds optioned RF Rece Hinds to Louisville Bats. |
| Jul 4 | Connor Joe | Assigned | Cincinnati Reds sent RF Connor Joe on a rehab assignment to Louisville Bats. |
| Jul 4 | Sam Benschoter | Optioned | Cincinnati Reds optioned RHP Sam Benschoter to Louisville Bats. |
| Jul 4 | Ryan Vilade | Optioned | Cincinnati Reds optioned RF Ryan Vilade to Louisville Bats. |
| Jul 4 | Noelvi Marte | Status Change | Cincinnati Reds activated 3B Noelvi Marte from the 10-day injured list. |
| Jul 4 | Graham Ashcraft | Status Change | Cincinnati Reds activated RHP Graham Ashcraft from the 15-day injured list. |
| Jul 3 | Carson Spiers | Assigned | Cincinnati Reds sent RHP Carson Spiers on a rehab assignment to ACL Reds. |
| Jul 3 | Yosver Zulueta | Optioned | Cincinnati Reds optioned RHP Yosver Zulueta to Louisville Bats. |
| Jul 2 | Jordan Ouanyou | Signed as Free Agent | Cincinnati Reds signed free agent 1B Jordan Ouanyou to a minor league contract. |
| Jul 2 | Yosver Zulueta | Recalled | Cincinnati Reds recalled RHP Yosver Zulueta from Louisville Bats. |
| Jul 1 | Noelvi Marte | Assigned | Cincinnati Reds sent 3B Noelvi Marte on a rehab assignment to Louisville Bats. |
| Jul 1 | Buck Farmer | Signed as Free Agent | Cincinnati Reds signed free agent RHP Buck Farmer to a minor league contract. |
| Jul 1 | Noelvi Marte | Assigned | Cincinnati Reds sent 3B Noelvi Marte on a rehab assignment to Louisville Bats. |
| Jul 1 | Connor Phillips | Optioned | Cincinnati Reds optioned RHP Connor Phillips to Louisville Bats. |
| Jul 1 | Joe La Sorsa | Optioned | Cincinnati Reds optioned LHP Joe La Sorsa to Louisville Bats. |
| Jul 1 | Sam Moll | Recalled | Cincinnati Reds recalled LHP Sam Moll from Louisville Bats. |
| Jul 1 | Sam Benschoter | Selected | Cincinnati Reds selected the contract of RHP Sam Benschoter from Louisville Bats. |
| Jun 30 | Ian Gibaut | Status Change | Cincinnati Reds placed RHP Ian Gibaut on the 15-day injured list retroactive to June 29, 2025. Right shoulder impingement. |
| Jun 30 | Joe La Sorsa | Recalled | Cincinnati Reds recalled LHP Joe La Sorsa from Louisville Bats. |
| Jun 29 | Ian Gibaut | Status Change | Cincinnati Reds placed RHP Ian Gibaut on the 60-day injured list. |
| Jun 29 | Jeimer Candelario | Released | Cincinnati Reds released 3B Jeimer Candelario. |
| Jun 28 | Zach Willeman | Signed as Free Agent | Cincinnati Reds signed free agent RHP Zach Willeman to a minor league contract. |
| Jun 27 | Anderson Perez | Signed as Free Agent | Cincinnati Reds signed free agent RHP Anderson Perez to a minor league contract. |
| Jun 27 | Jake Fraley | Status Change | Cincinnati Reds placed RF Jake Fraley on the 10-day injured list retroactive to June 24, 2025. Right shoulder sprain. |
| Jun 27 | Austin Hays | Status Change | Cincinnati Reds activated LF Austin Hays from the 10-day injured list. |
| Jun 25 | Noelvi Marte | Assigned | Cincinnati Reds sent 3B Noelvi Marte on a rehab assignment to Chattanooga Lookouts. |
| Jun 25 | Noelvi Marte | Assigned | Cincinnati Reds sent 3B Noelvi Marte on a rehab assignment to Chattanooga Lookouts. |
| Jun 25 | Ryan Vilade | Recalled | Cincinnati Reds recalled RF Ryan Vilade from Louisville Bats. |
| Jun 24 | Chase Burns | Status Change | Cincinnati Reds activated RHP Chase Burns. |
| Jun 24 | Garrett Hampson | Claimed Off Waivers | St. Louis Cardinals claimed 2B Garrett Hampson off waivers from Cincinnati Reds. |
| Jun 24 | Austin Hays | Assigned | Cincinnati Reds sent LF Austin Hays on a rehab assignment to Chattanooga Lookouts. |
| Jun 24 | Yosver Zulueta | Optioned | Cincinnati Reds optioned RHP Yosver Zulueta to Louisville Bats. |
| Jun 24 | Chase Burns | Selected | Cincinnati Reds selected the contract of RHP Chase Burns from Louisville Bats. |
| Jun 23 | Jeimer Candelario | Designated for Assignment | Cincinnati Reds designated 3B Jeimer Candelario for assignment. |
| Jun 23 | Jeimer Candelario | Status Change | Cincinnati Reds activated 3B Jeimer Candelario from the 10-day injured list. |
| Jun 22 | Yosver Zulueta | Recalled | Cincinnati Reds recalled RHP Yosver Zulueta from Louisville Bats. |
| Jun 22 | Rece Hinds | Recalled | Cincinnati Reds recalled RF Rece Hinds from Louisville Bats. |
| Jun 22 | Chase Petty | Optioned | Cincinnati Reds optioned RHP Chase Petty to Louisville Bats. |
| Jun 22 | Garrett Hampson | Designated for Assignment | Cincinnati Reds designated 2B Garrett Hampson for assignment. |
| Jun 21 | Luis Mey | Optioned | Cincinnati Reds optioned RHP Luis Mey to Louisville Bats. |
| Jun 21 | Chase Petty | Recalled | Cincinnati Reds recalled RHP Chase Petty from Louisville Bats. |
| Jun 20 | Wade Miley | Status Change | Cincinnati Reds placed LHP Wade Miley on the 15-day injured list retroactive to June 17, 2025. Left flexor strain. |
| Jun 20 | Noelvi Marte | Assigned | Cincinnati Reds sent 3B Noelvi Marte on a rehab assignment to ACL Reds. |
| Jun 20 | Connor Phillips | Recalled | Cincinnati Reds recalled RHP Connor Phillips from Louisville Bats. |
| Jun 17 | Graham Ashcraft | Status Change | Cincinnati Reds placed RHP Graham Ashcraft on the 15-day injured list retroactive to June 16, 2025. Right groin strain. |
| Jun 17 | Luis Mey | Recalled | Cincinnati Reds recalled RHP Luis Mey from Louisville Bats. |
| Jun 17 | Jacob Hurtubise | Claimed Off Waivers | Seattle Mariners claimed LF Jacob Hurtubise off waivers from Cincinnati Reds. |
| Jun 14 | Ryan Vilade | Optioned | Cincinnati Reds optioned RF Ryan Vilade to Louisville Bats. |
| Jun 14 | Ryan Vilade | Claimed Off Waivers | Cincinnati Reds claimed RF Ryan Vilade off waivers from St. Louis Cardinals. |
| Jun 14 | Jacob Hurtubise | Designated for Assignment | Cincinnati Reds designated LF Jacob Hurtubise for assignment. |
| Jun 14 | Brian Van Belle | Optioned | Cincinnati Reds optioned RHP Brian Van Belle to Louisville Bats. |
| Jun 14 | — | Trade | Boston Red Sox traded RHP Brian Van Belle to Cincinnati Reds for cash. |
| Jun 13 | Brent Suter | Status Change | Cincinnati Reds activated LHP Brent Suter from the bereavement list. |
| Jun 12 | Deivi Garcia | Signed as Free Agent | Cincinnati Reds signed free agent RHP Deivi Garcia to a minor league contract. |
| Jun 12 | Joe La Sorsa | Optioned | Cincinnati Reds optioned LHP Joe La Sorsa to Louisville Bats. |
| Jun 10 | Dayne Leonard | Signed as Free Agent | Cincinnati Reds signed free agent C Dayne Leonard to a minor league contract. |
| Jun 10 | Joe La Sorsa | Recalled | Cincinnati Reds recalled LHP Joe La Sorsa from Louisville Bats. |
| Jun 10 | Brent Suter | Status Change | Cincinnati Reds placed LHP Brent Suter on the bereavement list. |
| Jun 8 | — | Trade | Cincinnati Reds traded C Austin Wynns to Athletics for cash. |
| Jun 8 | Joe La Sorsa | Optioned | Cincinnati Reds optioned LHP Joe La Sorsa to Louisville Bats. |
| Jun 7 | Joe La Sorsa | Recalled | Cincinnati Reds recalled LHP Joe La Sorsa from Louisville Bats. |
| Jun 6 | Owen Pote | Signed as Free Agent | Cincinnati Reds signed free agent RHP Owen Pote to a minor league contract. |
| Jun 6 | Christian Encarnacion-Strand | Status Change | Cincinnati Reds activated 1B Christian Encarnacion-Strand from the 10-day injured list. |
| Jun 6 | Austin Wynns | Designated for Assignment | Cincinnati Reds designated C Austin Wynns for assignment. |
| Jun 5 | Jeimer Candelario | Assigned | Cincinnati Reds sent 3B Jeimer Candelario on a rehab assignment to Louisville Bats. |
| Jun 4 | Julio Pinales | Signed as Free Agent | Cincinnati Reds signed free agent RHP Julio Pinales to a minor league contract. |
| Jun 4 | Luis Avila | Signed as Free Agent | Cincinnati Reds signed free agent RHP Luis Avila to a minor league contract. |
| Jun 4 | Hunter Greene | Status Change | Cincinnati Reds placed RHP Hunter Greene on the 15-day injured list. Right groin strain. |
| Jun 4 | Rhett Lowder | Status Change | Cincinnati Reds placed RHP Rhett Lowder on the 60-day injured list. |
| Jun 4 | Wade Miley | Signed as Free Agent | Cincinnati Reds signed free agent LHP Wade Miley. |
| Jun 3 | Joe La Sorsa | Status Change | Cincinnati Reds reassigned LHP Joe La Sorsa to the minor leagues. |
| Jun 3 | Joe La Sorsa | Selected | Cincinnati Reds selected the contract of LHP Joe La Sorsa from Louisville Bats. |
| Jun 2 | Jeimer Candelario | Assigned | Cincinnati Reds sent 3B Jeimer Candelario on a rehab assignment to ACL Reds. |
| Jun 2 | Jeimer Candelario | Assigned | Cincinnati Reds sent 3B Jeimer Candelario on a rehab assignment to ACL Reds. |
| May 31 | Angel Barboza | Signed as Free Agent | Cincinnati Reds signed free agent C Angel Barboza to a minor league contract. |
| May 30 | Austin Hays | Status Change | Cincinnati Reds placed LF Austin Hays on the 10-day injured list retroactive to May 29, 2025. Left foot contusion. |
| May 30 | Lyon Richardson | Recalled | Cincinnati Reds recalled RHP Lyon Richardson from Louisville Bats. |
| May 30 | Jake Fraley | Status Change | Cincinnati Reds activated RF Jake Fraley from the 10-day injured list. |
| May 29 | Mike Villani | Status Change | RHP Mike Villani roster status changed by Cincinnati Reds. |
| May 29 | Mike Villani | Trade | Cincinnati Reds traded RHP Alexis Díaz to Los Angeles Dodgers for RHP Mike Villani. |
| May 29 | Luis Mey | Optioned | Cincinnati Reds optioned RHP Luis Mey to Louisville Bats. |
| May 28 | Peyton Holt | Signed as Free Agent | Cincinnati Reds signed free agent 2B Peyton Holt to a minor league contract. |
| May 25 | Christian Encarnacion-Strand | Assigned | Cincinnati Reds sent 1B Christian Encarnacion-Strand on a rehab assignment to Louisville Bats. |
| May 25 | Christian Encarnacion-Strand | Assigned | Cincinnati Reds sent 1B Christian Encarnacion-Strand on a rehab assignment to Louisville Bats. |
| May 24 | Jake Fraley | Assigned | Cincinnati Reds sent RF Jake Fraley on a rehab assignment to Louisville Bats. |
| May 23 | Hunter Greene | Status Change | Cincinnati Reds placed RHP Hunter Greene on the 15-day injured list. Right groin strain. |
| May 23 | Rece Hinds | Optioned | Cincinnati Reds optioned RF Rece Hinds to Louisville Bats. |
| May 23 | Carson Spiers | Status Change | Cincinnati Reds transferred RHP Carson Spiers from the 15-day injured list to the 60-day injured list. Right shoulder impingement. |
| May 23 | Hunter Greene | Status Change | Cincinnati Reds activated RHP Hunter Greene from the 15-day injured list. |
| May 23 | Garrett Hampson | Signed as Free Agent | Cincinnati Reds signed free agent 2B Garrett Hampson. |
| May 23 | Malvin Garcia | Signed as Free Agent | Cincinnati Reds signed free agent LHP Malvin Garcia to a minor league contract. |
| May 22 | Christian Encarnacion-Strand | Assigned | Cincinnati Reds sent 1B Christian Encarnacion-Strand on a rehab assignment to ACL Reds. |
| May 22 | Lyon Richardson | Optioned | Cincinnati Reds optioned RHP Lyon Richardson to Louisville Bats. |
| May 21 | Sam Moll | Optioned | Cincinnati Reds optioned LHP Sam Moll to Louisville Bats. |
| May 21 | Sam Moll | Status Change | Cincinnati Reds activated LHP Sam Moll from the 15-day injured list. |
| May 21 | Chase Petty | Optioned | Cincinnati Reds optioned RHP Chase Petty to Louisville Bats. |
| May 21 | Ian Gibaut | Status Change | Cincinnati Reds activated RHP Ian Gibaut from the 15-day injured list. |
| May 20 | Zach Murray | Signed as Free Agent | Cincinnati Reds signed free agent RHP Zachary Murray to a minor league contract. |
| May 20 | Jacob Edwards | Signed as Free Agent | Cincinnati Reds signed free agent LHP Jacob Edwards to a minor league contract. |
| May 16 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to Louisville Bats. |
| May 16 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to Louisville Bats. |
| May 12 | Edgar Lugo | Signed as Free Agent | Cincinnati Reds signed free agent RHP Edgar Lugo to a minor league contract. |
| May 11 | Ian Gibaut | Assigned | Cincinnati Reds sent RHP Ian Gibaut on a rehab assignment to Louisville Bats. |
| May 11 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to Dayton Dragons. |
| May 11 | Ian Gibaut | Assigned | Cincinnati Reds sent RHP Ian Gibaut on a rehab assignment to Louisville Bats. |
| May 11 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to Dayton Dragons. |
| May 11 | Ian Gibaut | Assigned | Cincinnati Reds sent RHP Ian Gibaut on a rehab assignment to Louisville Bats. |
| May 10 | Connor Joe | Status Change | Cincinnati Reds activated 1B Connor Joe. |
| May 10 | Jake Fraley | Status Change | Cincinnati Reds placed RF Jake Fraley on the 10-day injured list retroactive to May 7, 2025. Left calf tenderness. |
| May 9 | Austin Hays | Status Change | Cincinnati Reds placed LF Austin Hays on the 10-day injured list. Left foot contusion. |
| May 9 | Beau Blanchard | Signed as Free Agent | Cincinnati Reds signed free agent RHP Beau Blanchard to a minor league contract. |
| May 9 | — | Trade | San Diego Padres traded 1B Connor Joe to Cincinnati Reds for RHP Andrew Moore and cash. |
| May 9 | Tyler Callihan | Status Change | Cincinnati Reds transferred 2B Tyler Callihan from the 10-day injured list to the 60-day injured list. Left forearm fracture. |
| May 9 | Jacob Hurtubise | Optioned | Cincinnati Reds optioned LF Jacob Hurtubise to Louisville Bats. |
| May 9 | Blake Dunn | Optioned | Cincinnati Reds optioned LF Blake Dunn to Louisville Bats. |
| May 9 | Chase Petty | Recalled | Cincinnati Reds recalled RHP Chase Petty from Louisville Bats. |
| May 9 | Will Benson | Recalled | Cincinnati Reds recalled LF Will Benson from Louisville Bats. |
| May 9 | Austin Hays | Status Change | Cincinnati Reds activated LF Austin Hays from the 10-day injured list. |
| May 9 | Hunter Greene | Status Change | Cincinnati Reds placed RHP Hunter Greene on the 15-day injured list retroactive to May 8, 2025. Right groin strain. |
| May 7 | Rece Hinds | Recalled | Cincinnati Reds recalled RF Rece Hinds from Louisville Bats. |
| May 7 | Noelvi Marte | Status Change | Cincinnati Reds placed 3B Noelvi Marte on the 10-day injured list retroactive to May 5, 2025. Left oblique strain. |
| May 6 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to ACL Reds. |
| May 6 | Tyler Callihan | Status Change | Cincinnati Reds placed 2B Tyler Callihan on the 10-day injured list. Left forearm fracture. |
| May 6 | Rhett Lowder | Assigned | Cincinnati Reds sent RHP Rhett Lowder on a rehab assignment to ACL Reds. |
| May 6 | Yosver Zulueta | Optioned | Cincinnati Reds optioned RHP Yosver Zulueta to Louisville Bats. |
| May 6 | Lyon Richardson | Recalled | Cincinnati Reds recalled RHP Lyon Richardson from Louisville Bats. |
| May 6 | Jacob Hurtubise | Recalled | Cincinnati Reds recalled LF Jacob Hurtubise from Louisville Bats. |
| May 2 | Tyler Stephenson | Status Change | Cincinnati Reds activated C Tyler Stephenson from the 10-day injured list. |
| May 2 | Austin Hays | Status Change | Cincinnati Reds placed LF Austin Hays on the 10-day injured list retroactive to April 29, 2025. Left hamstring strain. |
| May 1 | Jefersson Marte | Signed as Free Agent | Cincinnati Reds signed free agent RHP Jefersson Marte to a minor league contract. |
| May 1 | Iker Redona | Signed as Free Agent | Cincinnati Reds signed free agent LHP Iker Redona to a minor league contract. |
| May 1 | Yosver Zulueta | Recalled | Cincinnati Reds recalled RHP Yosver Zulueta from Louisville Bats. |
| May 1 | Lyon Richardson | Optioned | Cincinnati Reds optioned RHP Lyon Richardson to Louisville Bats. |
| May 1 | Chase Petty | Optioned | Cincinnati Reds optioned RHP Chase Petty to Louisville Bats. |
| May 1 | Luis Mey | Recalled | Cincinnati Reds recalled RHP Luis Mey from Louisville Bats. |
| May 1 | Alexis Díaz | Optioned | Cincinnati Reds optioned RHP Alexis Díaz to Louisville Bats. |
| Apr 30 | Chase Petty | Selected | Cincinnati Reds selected the contract of RHP Chase Petty from Louisville Bats. |
| Apr 30 | Tyler Callihan | Status Change | Cincinnati Reds activated 2B Tyler Callihan. |
| Apr 30 | Jeimer Candelario | Status Change | Cincinnati Reds placed 3B Jeimer Candelario on the 10-day injured list retroactive to April 28, 2025. Lumbar spine strain. |
| Apr 30 | Tyler Callihan | Recalled | Cincinnati Reds recalled 2B Tyler Callihan from Louisville Bats. |
| Apr 26 | Ian Gibaut | Status Change | Cincinnati Reds placed RHP Ian Gibaut on the 15-day injured list. Right shoulder impingement. |
| Apr 26 | Lyon Richardson | Recalled | Cincinnati Reds recalled RHP Lyon Richardson from Louisville Bats. |
| Apr 25 | Luisangel Chirino | Signed as Free Agent | Cincinnati Reds signed free agent RHP Luisangel Chirino to a minor league contract. |
| Apr 25 | Ysaias Escalona | Signed as Free Agent | Cincinnati Reds signed free agent RHP Ysaias Escalona to a minor league contract. |
| Apr 24 | Randy Wynne | Outrighted | Cincinnati Reds sent RHP Randy Wynne outright to Louisville Bats. |
| Apr 22 | Sam Moll | Assigned | Cincinnati Reds sent LHP Sam Moll on a rehab assignment to Louisville Bats. |
| Apr 22 | Tyler Stephenson | Assigned | Cincinnati Reds sent C Tyler Stephenson on a rehab assignment to Louisville Bats. |
| Apr 22 | Sam Moll | Assigned | Cincinnati Reds sent LHP Sam Moll on a rehab assignment to Louisville Bats. |
| Apr 21 | Randy Wynne | Optioned | Cincinnati Reds optioned RHP Randy Wynne to Louisville Bats. |
| Apr 21 | Nick Lodolo | Status Change | Cincinnati Reds activated LHP Nick Lodolo from the paternity list. |
| Apr 20 | Carson Spiers | Status Change | Cincinnati Reds placed RHP Carson Spiers on the 15-day injured list. Right shoulder impingement. |
| Apr 20 | Randy Wynne | Selected | Cincinnati Reds selected the contract of RHP Randy Wynne from Louisville Bats. |
| Apr 18 | Nick Lodolo | Status Change | Cincinnati Reds placed LHP Nick Lodolo on the paternity list. |
| Apr 18 | Carson Spiers | Recalled | Cincinnati Reds recalled RHP Carson Spiers from Louisville Bats. |
| Apr 17 | Christian Encarnacion-Strand | Status Change | Cincinnati Reds placed 1B Christian Encarnacion-Strand on the 10-day injured list. Low back inflammation. |
| Apr 17 | Noelvi Marte | Recalled | Cincinnati Reds recalled 3B Noelvi Marte from Louisville Bats. |
| Apr 16 | Hunter Greene | Number Change | RHP Hunter Greene changed number to 21. |
| Apr 16 | TJ Friedl | Number Change | CF TJ Friedl changed number to 29. |
| Apr 16 | Andrew Abbott | Number Change | LHP Andrew Abbott changed number to 41. |
| Apr 16 | Nick Lodolo | Number Change | LHP Nick Lodolo changed number to 40. |
| Apr 16 | Elly De La Cruz | Number Change | SS Elly De La Cruz changed number to 44. |
| Apr 16 | Spencer Steer | Number Change | LF Spencer Steer changed number to 7. |
| Apr 16 | Christian Encarnacion-Strand | Number Change | 1B Christian Encarnacion-Strand changed number to 33. |
| Apr 16 | Jake Fraley | Number Change | RF Jake Fraley changed number to 27. |
| Apr 16 | Graham Ashcraft | Number Change | RHP Graham Ashcraft changed number to 23. |
| Apr 16 | Brent Suter | Number Change | LHP Brent Suter changed number to 31. |
| Apr 16 | Jeimer Candelario | Number Change | 3B Jeimer Candelario changed number to 3. |
| Apr 16 | Nick Martinez | Number Change | RHP Nick Martinez changed number to 28. |
| Apr 16 | Emilio Pagán | Number Change | RHP Emilio Pagán changed number to 15. |
| Apr 16 | Blake Dunn | Number Change | LF Blake Dunn changed number to 59. |
| Apr 16 | Jose Trevino | Number Change | C Jose Trevino changed number to 35. |
| Apr 16 | Brady Singer | Number Change | RHP Brady Singer changed number to 51. |
| Apr 16 | Tony Santillan | Number Change | RHP Tony Santillan changed number to 64. |
| Apr 16 | Taylor Rogers | Number Change | LHP Taylor Rogers changed number to 55. |
| Apr 16 | Scott Barlow | Number Change | RHP Scott Barlow changed number to 58. |
| Apr 16 | Gavin Lux | Number Change | 2B Gavin Lux changed number to 2. |
| Apr 16 | Santiago Espinal | Number Change | 3B Santiago Espinal changed number to 4. |
| Apr 16 | Ian Gibaut | Number Change | RHP Ian Gibaut changed number to 79. |
| Apr 16 | Austin Wynns | Number Change | C Austin Wynns changed number to 38. |
| Apr 16 | Matt McLain | Number Change | SS Matt McLain changed number to 9. |
| Apr 16 | Austin Hays | Number Change | LF Austin Hays changed number to 12. |
| Apr 16 | Alexis Díaz | Number Change | RHP Alexis Díaz changed number to 43. |
| Apr 15 | Alexis Díaz | Status Change | Cincinnati Reds activated RHP Alexis Díaz from the 15-day injured list. |
| Apr 15 | Noelvi Marte | Optioned | Cincinnati Reds optioned 3B Noelvi Marte to Louisville Bats. |
| Apr 15 | Jacob Hurtubise | Optioned | Cincinnati Reds optioned LF Jacob Hurtubise to Louisville Bats. |
| Apr 15 | Matt McLain | Status Change | Cincinnati Reds activated SS Matt McLain from the 10-day injured list. |
| Apr 15 | Austin Hays | Status Change | Cincinnati Reds activated LF Austin Hays from the 10-day injured list. |
| Apr 15 | TJ Friedl | Number Change | CF TJ Friedl changed number to 42. |
| Apr 15 | Hunter Greene | Number Change | RHP Hunter Greene changed number to 42. |
| Apr 15 | Jake Fraley | Number Change | RF Jake Fraley changed number to 42. |
| Apr 15 | Nick Lodolo | Number Change | LHP Nick Lodolo changed number to 42. |
| Apr 15 | Spencer Steer | Number Change | LF Spencer Steer changed number to 42. |
| Apr 15 | Elly De La Cruz | Number Change | SS Elly De La Cruz changed number to 42. |
| Apr 15 | Graham Ashcraft | Number Change | RHP Graham Ashcraft changed number to 42. |
| Apr 15 | Andrew Abbott | Number Change | LHP Andrew Abbott changed number to 42. |
| Apr 15 | Christian Encarnacion-Strand | Number Change | 1B Christian Encarnacion-Strand changed number to 42. |
| Apr 15 | Nick Martinez | Number Change | RHP Nick Martinez changed number to 42. |
| Apr 15 | Brent Suter | Number Change | LHP Brent Suter changed number to 42. |
| Apr 15 | Jeimer Candelario | Number Change | 3B Jeimer Candelario changed number to 42. |
| Apr 15 | Emilio Pagán | Number Change | RHP Emilio Pagán changed number to 42. |
| Apr 15 | Tony Santillan | Number Change | RHP Tony Santillan changed number to 42. |
| Apr 15 | Brady Singer | Number Change | RHP Brady Singer changed number to 42. |
| Apr 15 | Jose Trevino | Number Change | C Jose Trevino changed number to 42. |
| Apr 15 | Blake Dunn | Number Change | LF Blake Dunn changed number to 42. |
| Apr 15 | Santiago Espinal | Number Change | 3B Santiago Espinal changed number to 42. |
| Apr 15 | Gavin Lux | Number Change | 2B Gavin Lux changed number to 42. |
| Apr 15 | Ian Gibaut | Number Change | RHP Ian Gibaut changed number to 42. |
| Apr 15 | Taylor Rogers | Number Change | LHP Taylor Rogers changed number to 42. |
| Apr 15 | Austin Wynns | Number Change | C Austin Wynns changed number to 42. |
| Apr 15 | Scott Barlow | Number Change | RHP Scott Barlow changed number to 42. |
| Apr 14 | Sam Moll | Status Change | Cincinnati Reds placed LHP Sam Moll on the 15-day injured list retroactive to April 11, 2025. Left shoulder impingement. |
| Apr 12 | Andrew Abbott | Status Change | Cincinnati Reds activated LHP Andrew Abbott from the 15-day injured list. |
| Apr 12 | Will Benson | Optioned | Cincinnati Reds optioned LF Will Benson to Louisville Bats. |
| Apr 10 | Bryson Brigman | Signed as Free Agent | Cincinnati Reds signed free agent SS Bryson Brigman to a minor league contract. |
| Apr 10 | Austin Hays | Assigned | Cincinnati Reds sent LF Austin Hays on a rehab assignment to Louisville Bats. |
| Apr 9 | Adam Plutko | Signed as Free Agent | Cincinnati Reds signed free agent RHP Adam Plutko to a minor league contract. |
| Apr 8 | Jake Gilbert | Signed as Free Agent | Cincinnati Reds signed free agent RHP Jake Gilbert to a minor league contract. |
| Apr 8 | Noelvi Marte | Recalled | Cincinnati Reds recalled 3B Noelvi Marte from Louisville Bats. |
| Apr 8 | Will Benson | Recalled | Cincinnati Reds recalled LF Will Benson from Louisville Bats. |
| Apr 8 | Carson Spiers | Optioned | Cincinnati Reds optioned RHP Carson Spiers to Louisville Bats. |
| Apr 8 | Matt McLain | Status Change | Cincinnati Reds placed SS Matt McLain on the 10-day injured list retroactive to April 5, 2025. Slight Left Hamstring Strain. |
| Apr 4 | Alexis Díaz | Assigned | Cincinnati Reds sent RHP Alexis Díaz on a rehab assignment to Louisville Bats. |
| Apr 4 | Alexis Díaz | Assigned | Cincinnati Reds sent RHP Alexis Díaz on a rehab assignment to Louisville Bats. |
| Apr 1 | Andrew Abbott | Assigned | Cincinnati Reds sent LHP Andrew Abbott on a rehab assignment to Louisville Bats. |
| Mar 31 | — | Trade | Cincinnati Reds traded CF Stuart Fairchild to Atlanta Braves for cash. |
| Mar 30 | Stuart Fairchild | Status Change | CF Stuart Fairchild roster status changed by Cincinnati Reds. |
| Mar 27 | Stuart Fairchild | Designated for Assignment | Cincinnati Reds designated CF Stuart Fairchild for assignment. |
| Mar 26 | Brandon Williamson | Status Change | Cincinnati Reds placed LHP Brandon Williamson on the 60-day injured list. Left UCL reconstruction. |
| Mar 26 | Austin Wynns | Selected | Cincinnati Reds selected the contract of C Austin Wynns from Louisville Bats. |
| Mar 26 | Rhett Lowder | Status Change | Cincinnati Reds placed RHP Rhett Lowder on the 15-day injured list retroactive to March 24, 2025. Right forearm strain. |
| Mar 26 | Alexis Díaz | Status Change | Cincinnati Reds placed RHP Alexis Díaz on the 15-day injured list retroactive to March 24, 2025. Left hamstring strain. |
| Mar 26 | Andrew Abbott | Status Change | Cincinnati Reds placed LHP Andrew Abbott on the 15-day injured list retroactive to March 24, 2025. Left shoulder rotator cuff strain. |
| Mar 26 | Tyler Stephenson | Status Change | Cincinnati Reds placed C Tyler Stephenson on the 10-day injured list retroactive to March 24, 2025. Left oblique strain. |
| Mar 26 | Austin Hays | Status Change | Cincinnati Reds placed LF Austin Hays on the 10-day injured list retroactive to March 24, 2025. Left calf strain. |
| Mar 25 | Lyon Richardson | Assigned | RHP Lyon Richardson assigned to Cincinnati Reds. |
| Mar 25 | Ian Gibaut | Selected | Cincinnati Reds selected the contract of RHP Ian Gibaut from Louisville Bats. |
| Mar 24 | Alexis Díaz | Status Change | Cincinnati Reds placed RHP Alexis Díaz on the 15-day injured list. |
| Mar 24 | Guillermo Baldelomar | Signed as Free Agent | Cincinnati Reds signed free agent RHP Guillermo Baldelomar to a minor league contract. |
| Mar 22 | Justice Thompson | Assigned | CF Justice Thompson assigned to Cincinnati Reds. |
| Mar 20 | Tyson Lewis | Assigned | SS Tyson Lewis assigned to Cincinnati Reds. |
| Mar 20 | Lyon Richardson | Optioned | Cincinnati Reds optioned RHP Lyon Richardson to Louisville Bats. |
| Mar 18 | Kyle Henley | Assigned | CF Kyle Henley assigned to Cincinnati Reds. |
| Mar 18 | Carter Graham | Assigned | 1B Carter Graham assigned to Cincinnati Reds. |
| Mar 16 | Brock Bell | Assigned | RHP Brock Bell assigned to Cincinnati Reds. |
| Mar 15 | Alfredo Alcantara | Assigned | SS Alfredo Alcantara assigned to Cincinnati Reds. |
| Mar 15 | Joel Valdez | Assigned | LHP Joel Valdez assigned to Cincinnati Reds. |
| Mar 15 | Will Benson | Optioned | Cincinnati Reds optioned LF Will Benson to Louisville Bats. |
| Mar 14 | Ryan McCrystal | Assigned | C Ryan McCrystal assigned to Cincinnati Reds. |
| Mar 14 | Jose Serrano | Assigned | 2B Jose Serrano assigned to Cincinnati Reds. |
| Mar 14 | Anthony Stephan | Assigned | OF Anthony Stephan assigned to Cincinnati Reds. |
| Mar 13 | Austin Hendrick | Assigned | RF Austin Hendrick assigned to Cincinnati Reds. |
| Mar 13 | Jack Rogers | Assigned | LF Jack Rogers assigned to Cincinnati Reds. |
| Mar 12 | Cooper Bowman | Returned | 2B Cooper Bowman returned to Athletics from Cincinnati Reds. |
| Mar 12 | Ruben Ibarra | Assigned | 1B Ruben Ibarra assigned to Cincinnati Reds. |
| Mar 12 | Victor Acosta | Assigned | SS Victor Acosta assigned to Cincinnati Reds. |
| Mar 10 | Yosver Zulueta | Optioned | Cincinnati Reds optioned RHP Yosver Zulueta to Louisville Bats. |
| Mar 10 | Connor Phillips | Optioned | Cincinnati Reds optioned RHP Connor Phillips to Louisville Bats. |
| Mar 10 | Noelvi Marte | Optioned | Cincinnati Reds optioned 3B Noelvi Marte to Louisville Bats. |
| Mar 10 | Rece Hinds | Optioned | Cincinnati Reds optioned RF Rece Hinds to Louisville Bats. |
| Mar 10 | Tyler Callihan | Optioned | Cincinnati Reds optioned 2B Tyler Callihan to Louisville Bats. |
| Mar 9 | Luis Mey | Optioned | Cincinnati Reds optioned RHP Luis Mey to Louisville Bats. |
| Mar 5 | John Michael Faile | Status Change | C John Michael Faile roster status changed by Cincinnati Reds. |
| Mar 5 | John Michael Faile | Assigned | C John Michael Faile assigned to Cincinnati Reds. |
| Mar 5 | Logan Tanner | Assigned | C Logan Tanner assigned to Cincinnati Reds. |
| Mar 5 | Cade Hunter | Assigned | C Cade Hunter assigned to Cincinnati Reds. |
| Mar 4 | Trey Faltine | Status Change | 2B Trey Faltine roster status changed by Cincinnati Reds. |
| Mar 4 | Malvin Valdez | Assigned | CF Malvin Valdez assigned to Cincinnati Reds. |
| Mar 4 | Jack Moss | Assigned | LF Jack Moss assigned to Cincinnati Reds. |
| Mar 4 | Luis Chevalier | Assigned | 3B Luis Chevalier assigned to Cincinnati Reds. |
| Mar 4 | Johnny Ascanio | Assigned | SS Johnny Ascanio assigned to Cincinnati Reds. |
| Mar 4 | Carson Rudd | Assigned | RHP Carson Rudd assigned to Cincinnati Reds. |
| Mar 4 | Donovan Benoit | Assigned | RHP Donovan Benoit assigned to Cincinnati Reds. |
| Mar 4 | Trey Faltine | Assigned | 2B Trey Faltine assigned to Cincinnati Reds. |
| Mar 4 | John Murphy | Assigned | RHP John Murphy assigned to Cincinnati Reds. |
| Mar 4 | Trevor Kuncl | Assigned | RHP Trevor Kuncl assigned to Cincinnati Reds. |
| Mar 4 | Brian Edgington | Assigned | RHP Brian Edgington assigned to Cincinnati Reds. |
| Mar 3 | Carlos Jorge | Assigned | CF Carlos Jorge assigned to Cincinnati Reds. |
| Feb 23 | Connor Burns | Assigned | C Connor Burns assigned to Cincinnati Reds. |
| Feb 22 | Reiver Sanmartin | Assigned | LHP Reiver Sanmartin assigned to Cincinnati Reds. |
| Feb 22 | Drew Parrish | Assigned | LHP Drew Parrish assigned to Cincinnati Reds. |
| Feb 22 | Andrew Moore | Assigned | RHP Andrew Moore assigned to Cincinnati Reds. |
| Feb 22 | Brooks Crawford | Assigned | RHP Brooks Crawford assigned to Cincinnati Reds. |
| Feb 22 | Alan Busenitz | Assigned | RHP Alan Busenitz assigned to Cincinnati Reds. |
| Feb 22 | Ethan O'Donnell | Assigned | CF Ethan O'Donnell assigned to Cincinnati Reds. |
| Feb 22 | Esmith Pineda | Assigned | RF Esmith Pineda assigned to Cincinnati Reds. |
| Feb 22 | Levi Jordan | Assigned | CF Levi Jordan assigned to Cincinnati Reds. |
| Feb 22 | Sammy Stafura | Assigned | SS Sammy Stafura assigned to Cincinnati Reds. |
| Feb 22 | Ricky Cabrera | Assigned | SS Ricardo Cabrera assigned to Cincinnati Reds. |
| Feb 22 | P.J. Higgins | Assigned | C P.J. Higgins assigned to Cincinnati Reds. |
| Feb 22 | Alfredo Duno | Assigned | C Alfredo Duno assigned to Cincinnati Reds. |
| Feb 22 | Davis Wendzel | Assigned | 3B Davis Wendzel assigned to Cincinnati Reds. |
| Feb 22 | Francisco Urbaez | Assigned | 2B Francisco Urbaez assigned to Cincinnati Reds. |
| Feb 22 | Jay Allen II | Assigned | CF Jay Allen II assigned to Cincinnati Reds. |
| Feb 22 | Yerlin Confidan | Assigned | LF Yerlin Confidan assigned to Cincinnati Reds. |
| Feb 22 | Ariel Almonte | Assigned | RF Ariel Almonte assigned to Cincinnati Reds. |
| Feb 22 | Carlos Sanchez | Assigned | 3B Carlos Sanchez assigned to Cincinnati Reds. |
| Feb 22 | Dominic Pitelli | Assigned | SS Dominic Pitelli assigned to Cincinnati Reds. |
| Feb 22 | Austin Callahan | Assigned | 3B Austin Callahan assigned to Cincinnati Reds. |
| Feb 22 | Leo Balcazar | Assigned | SS Leo Balcazar assigned to Cincinnati Reds. |
| Feb 22 | Eric Yang | Assigned | C Eric Yang assigned to Cincinnati Reds. |
| Feb 22 | Evan Kravetz | Assigned | LHP Evan Kravetz assigned to Cincinnati Reds. |
| Feb 22 | Randy Wynne | Assigned | RHP Randy Wynne assigned to Cincinnati Reds. |
| Feb 22 | Simon Miller | Assigned | RHP Simon Miller assigned to Cincinnati Reds. |
| Feb 22 | Sam Benschoter | Assigned | RHP Sam Benschoter assigned to Cincinnati Reds. |
| Feb 14 | Taylor Rogers | Number Change | LHP Taylor Rogers changed number to 55. |
| Feb 13 | Scott Barlow | Signed as Free Agent | Cincinnati Reds signed free agent RHP Scott Barlow. |
| Feb 13 | Julian Aguiar | Status Change | Cincinnati Reds placed RHP Julian Aguiar on the 60-day injured list. UCL surgery on right elbow. |
| Feb 11 | Josh Staumont | Signed as Free Agent | Cincinnati Reds signed free agent RHP Josh Staumont to a minor league contract and invited him to spring training. |
| Feb 6 | Albert Abreu | Signed as Free Agent | Cincinnati Reds signed free agent RHP Albert Abreu to a minor league contract and invited him to spring training. |
| Feb 5 | Owen White | Claimed Off Waivers | New York Yankees claimed RHP Owen White off waivers from Cincinnati Reds. |
| Feb 4 | Wade Miley | Signed as Free Agent | Cincinnati Reds signed free agent LHP Wade Miley to a minor league contract and invited him to spring training. |
| Feb 4 | Joe La Sorsa | Signed as Free Agent | Cincinnati Reds signed free agent LHP Joe La Sorsa to a minor league contract and invited him to spring training. |
| Feb 4 | Ian Gibaut | Signed as Free Agent | Cincinnati Reds signed free agent RHP Ian Gibaut to a minor league contract and invited him to spring training. |
| Feb 3 | — | Trade | Cincinnati Reds traded RHP Casey Legumina to Seattle Mariners for cash. |
| Feb 2 | Casey Legumina | Status Change | RHP Casey Legumina roster status changed by Cincinnati Reds. |
| Feb 1 | Edwin Rios | Status Change | 1B Edwin Ríos roster status changed by Cincinnati Reds. |
| Feb 1 | Edwin Rios | Signed as Free Agent | Cincinnati Reds signed free agent 1B Edwin Ríos to a minor league contract. |
| Jan 30 | Casey Legumina | Designated for Assignment | Cincinnati Reds designated RHP Casey Legumina for assignment. |
| Jan 30 | Austin Hays | Signed as Free Agent | Cincinnati Reds signed free agent LF Austin Hays. |
| Jan 29 | Owen White | Designated for Assignment | Cincinnati Reds designated RHP Owen White for assignment. |
| Jan 29 | Braxton Roxby | Trade | Cincinnati Reds traded RHP Braxton Roxby to San Francisco Giants for LHP Taylor Rogers and cash. |
| Jan 28 | P.J. Higgins | Signed as Free Agent | Cincinnati Reds signed free agent C P.J. Higgins to a minor league contract. |
| Jan 27 | Aaron Wilkerson | Signed as Free Agent | Cincinnati Reds signed free agent RHP Aaron Wilkerson to a minor league contract. |
| Jan 22 | Myles Smith | Signed as Free Agent | Cincinnati Reds signed free agent OF Myles Smith to a minor league contract. |
| Jan 21 | Rhett Lowder | Number Change | RHP Rhett Lowder changed number to 25. |
| Jan 21 | Héctor Rodríguez | Assigned | Cincinnati Reds invited non-roster OF Hector Rodriguez to spring training. |
| Jan 21 | Sal Stewart | Assigned | Cincinnati Reds invited non-roster 3B Sal Stewart to spring training. |
| Jan 21 | Ivan Johnson | Assigned | Cincinnati Reds invited non-roster 2B Ivan Johnson to spring training. |
| Jan 21 | Cam Collier | Assigned | Cincinnati Reds invited non-roster 3B Cam Collier to spring training. |
| Jan 21 | Edwin Arroyo | Assigned | Cincinnati Reds invited non-roster SS Edwin Arroyo to spring training. |
| Jan 21 | Austin Wynns | Assigned | Cincinnati Reds invited non-roster C Austin Wynns to spring training. |
| Jan 21 | Michael Trautwein | Status Change | C Michael Trautwein roster status changed by Cincinnati Reds. |
| Jan 21 | Will Banfield | Status Change | C Will Banfield roster status changed by Cincinnati Reds. |
| Jan 21 | Alex Young | Status Change | LHP Alex Young roster status changed by Cincinnati Reds. |
| Jan 21 | Lenny Torres Jr. | Status Change | RHP Lenny Torres Jr. roster status changed by Cincinnati Reds. |
| Jan 21 | Bryan Shaw | Status Change | RHP Bryan Shaw roster status changed by Cincinnati Reds. |
| Jan 21 | Chase Petty | Status Change | RHP Chase Petty roster status changed by Cincinnati Reds. |
| Jan 21 | Zach Maxwell | Status Change | RHP Zach Maxwell roster status changed by Cincinnati Reds. |
| Jan 21 | Chase Burns | Status Change | RHP Chase Burns roster status changed by Cincinnati Reds. |
| Jan 21 | Jose Acuna | Status Change | RHP Jose Acuna roster status changed by Cincinnati Reds. |
| Jan 20 | Andy Yerzy | Status Change | C Andy Yerzy roster status changed by Cincinnati Reds. |
| Jan 20 | Andy Yerzy | Signed as Free Agent | Cincinnati Reds signed free agent C Andy Yerzy to a minor league contract. |
| Jan 17 | Alex Young | Signed as Free Agent | Cincinnati Reds signed free agent LHP Alex Young to a minor league contract. |
| Jan 17 | Arnaldo Lantigua | Trade | Los Angeles Dodgers traded OF Arnaldo Lantigua to Cincinnati Reds for Future Considerations. |
| Jan 15 | Irvin Machuca | Signed as Free Agent | Cincinnati Reds signed free agent RHP Irvin Machuca to a minor league contract. |
| Jan 15 | Liberts Aponte | Signed as Free Agent | Cincinnati Reds signed free agent SS Liberts Aponte to a minor league contract. |
| Jan 15 | Abel Pena | Signed as Free Agent | Cincinnati Reds signed free agent C Abel Pena to a minor league contract. |
| Jan 15 | Starlin Alberto | Signed as Free Agent | Cincinnati Reds signed free agent RHP Starlin Alberto to a minor league contract. |
| Jan 15 | Jose Martinez | Signed as Free Agent | Cincinnati Reds signed free agent OF Jose Martinez to a minor league contract. |
| Jan 15 | Deinis Chourio | Signed as Free Agent | Cincinnati Reds signed free agent SS Deinis Chourio to a minor league contract. |
| Jan 15 | Isaac Garcia | Signed as Free Agent | Cincinnati Reds signed free agent OF Isaac Garcia to a minor league contract. |
| Jan 15 | Sandor Feliciano | Signed as Free Agent | Cincinnati Reds signed free agent SS Sandor Feliciano to a minor league contract. |
| Jan 15 | Ramces Camargo | Signed as Free Agent | Cincinnati Reds signed free agent RHP Ramces Camargo to a minor league contract. |
| Jan 15 | Jealmy Frias | Signed as Free Agent | Cincinnati Reds signed free agent SS Jealmy Frias to a minor league contract. |
| Jan 15 | Diego Munoz | Signed as Free Agent | Cincinnati Reds signed free agent OF Diego Munoz to a minor league contract. |
| Jan 15 | Cesar Maiz | Signed as Free Agent | Cincinnati Reds signed free agent RHP Cesar Maiz to a minor league contract. |
| Jan 15 | Rey Reyes | Signed as Free Agent | Cincinnati Reds signed free agent OF Rey Reyes to a minor league contract. |
| Jan 15 | Enry Torres | Signed as Free Agent | Cincinnati Reds signed free agent C Enry Torres to a minor league contract. |
| Jan 15 | Omar Guadamuz | Signed as Free Agent | Cincinnati Reds signed free agent SS Omar Guadamuz to a minor league contract. |
| Jan 15 | Wanderly De La Cruz | Signed as Free Agent | Cincinnati Reds signed free agent OF Wanderly De La Cruz to a minor league contract. |
| Jan 15 | Angel Salio | Signed as Free Agent | Cincinnati Reds signed free agent SS Angel Salio to a minor league contract. |
| Jan 15 | Juan Caricipe | Signed as Free Agent | Cincinnati Reds signed free agent SS Juan Caricipe to a minor league contract. |
| Jan 13 | Austin Wynns | Signed as Free Agent | Cincinnati Reds signed free agent C Austin Wynns to a minor league contract. |
| Jan 10 | Roansy Contreras | Claimed Off Waivers | Baltimore Orioles claimed RHP Roansy Contreras off waivers from Cincinnati Reds. |
| Jan 9 | Levi Jordan | Signed as Free Agent | Cincinnati Reds signed free agent CF Levi Jordan to a minor league contract. |
| Jan 7 | — | Trade | Los Angeles Dodgers traded 2B Gavin Lux to Cincinnati Reds for CF Mike Sirota and Draft Pick. |
| Jan 6 | Roansy Contreras | Designated for Assignment | Cincinnati Reds designated RHP Roansy Contreras for assignment. |
| Jan 6 | — | Trade | Texas Rangers traded RHP Owen White to Cincinnati Reds for cash. |
| Jan 4 | Bryan Shaw | Signed as Free Agent | Cincinnati Reds signed free agent RHP Bryan Shaw to a minor league contract. |