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DET · 2025 transactions
Data through 2026-10-03
| Date | Player | Type | Detail |
|---|---|---|---|
| Dec 23 | Burch Smith | Status Change | RHP Burch Smith roster status changed by Detroit Tigers. |
| Dec 23 | Burch Smith | Signed as Free Agent | Detroit Tigers signed free agent RHP Burch Smith to a minor league contract. |
| Dec 20 | Justyn-Henry Malloy | Designated for Assignment | Detroit Tigers designated RF Justyn-Henry Malloy for assignment. |
| Dec 20 | Kyle Finnegan | Signed as Free Agent | Detroit Tigers signed free agent RHP Kyle Finnegan. |
| Dec 19 | Dylan File | Status Change | RHP Dylan File roster status changed by Detroit Tigers. |
| Dec 19 | Dylan File | Signed as Free Agent | Detroit Tigers signed free agent RHP Dylan File to a minor league contract. |
| Dec 18 | Tyler Mattison | Status Change | RHP Tyler Mattison roster status changed by Detroit Tigers. |
| Dec 18 | Tyler Mattison | Signed as Free Agent | Detroit Tigers signed free agent RHP Tyler Mattison to a minor league contract. |
| Dec 17 | Scott Effross | Status Change | RHP Scott Effross roster status changed by Detroit Tigers. |
| Dec 17 | Wandisson Charles | Signed as Free Agent | Detroit Tigers signed free agent RHP Wandisson Charles to a minor league contract. |
| Dec 17 | Scott Effross | Signed as Free Agent | Detroit Tigers signed free agent RHP Scott Effross to a minor league contract. |
| Dec 17 | Bailey Horn | Status Change | Detroit Tigers activated LHP Bailey Horn. |
| Dec 17 | Kenley Jansen | Signed as Free Agent | Detroit Tigers signed free agent RHP Kenley Jansen. |
| Dec 16 | Cole Waites | Status Change | RHP Cole Waites roster status changed by Detroit Tigers. |
| Dec 16 | Jack Little | Status Change | RHP Jack Little roster status changed by Detroit Tigers. |
| Dec 16 | Sean Guenther | Status Change | LHP Sean Guenther roster status changed by Detroit Tigers. |
| Dec 16 | Woo-Suk Go | Signed as Free Agent | Detroit Tigers signed free agent RHP Woo-Suk Go to a minor league contract. |
| Dec 16 | Cole Waites | Signed as Free Agent | Detroit Tigers signed free agent RHP Cole Waites to a minor league contract. |
| Dec 16 | Jack Little | Signed as Free Agent | Detroit Tigers signed free agent RHP Jack Little to a minor league contract. |
| Dec 16 | Sean Guenther | Signed as Free Agent | Detroit Tigers signed free agent LHP Sean Guenther to a minor league contract. |
| Dec 16 | Drew Anderson | Signed as Free Agent | Detroit Tigers signed free agent RHP Drew Anderson. |
| Dec 15 | Enmanuel De Jesus | Status Change | LHP Enmanuel De Jesus roster status changed by Detroit Tigers. |
| Dec 15 | Dugan Darnell | Status Change | RHP Dugan Darnell roster status changed by Detroit Tigers. |
| Dec 15 | Dugan Darnell | Signed as Free Agent | Detroit Tigers signed free agent RHP Dugan Darnell to a minor league contract. |
| Dec 15 | Enmanuel De Jesus | Signed as Free Agent | Detroit Tigers signed free agent LHP Enmanuel De Jesus to a minor league contract. |
| Dec 13 | Jesus Febles | Signed as Free Agent | Detroit Tigers signed free agent RHP Jesus Febles to a minor league contract. |
| Dec 13 | Inohan Paniagua | Signed as Free Agent | Detroit Tigers signed free agent RHP Inohan Paniagua to a minor league contract. |
| Dec 12 | Johan Simon | Status Change | LHP Johan Simon roster status changed by Detroit Tigers. |
| Dec 12 | Carlos Peña | Signed as Free Agent | Detroit Tigers signed free agent LHP Carlos Peña to a minor league contract. |
| Dec 12 | Johan Simon | Trade | Detroit Tigers traded RHP Chase Lee to Toronto Blue Jays for LHP Johan Simon. |
| Dec 10 | Yendy Gomez | Rule 5 Draft Minors | Detroit Tigers purchased contract of RHP Yendy Gomez in the Rule 5 Draft, AAA Phase. |
| Dec 10 | John Stankiewicz | Rule 5 Draft Minors | Detroit Tigers purchased contract of RHP John Stankiewicz in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Danny Serretti | Rule 5 Draft Minors | Arizona Diamondbacks purchased contract of 3B Danny Serretti in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Travis Kuhn | Rule 5 Draft Minors | Toronto Blue Jays purchased contract of RHP Travis Kuhn in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Jan Caraballo | Rule 5 Draft Minors | Detroit Tigers purchased contract of RHP Jan Caraballo in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Archer Brookman | Rule 5 Draft Minors | Atlanta Braves purchased contract of C Archer Brookman in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Austin Murr | Rule 5 Draft Minors | Philadelphia Phillies purchased contract of LF Austin Murr in the Rule 5 Draft, AAA Phase. |
| Dec 10 | Luke Taggart | Rule 5 Draft Minors | Detroit Tigers purchased contract of RHP Luke Taggart in the Rule 5 Draft, AAA Phase. |
| Dec 10 | RJ Petit | Rule 5 Selection | Colorado Rockies purchased contract of RHP RJ Petit in the Rule 5 Draft. |
| Nov 26 | Tanner Rainey | Signed as Free Agent | Detroit Tigers signed free agent RHP Tanner Rainey to a minor league contract and invited him to spring training. |
| Nov 26 | Tanner Rainey | Status Change | RHP Tanner Rainey roster status changed by Detroit Tigers. |
| Nov 26 | Tanner Rainey | Signed as Free Agent | Detroit Tigers signed free agent RHP Tanner Rainey to a minor league contract. |
| Nov 22 | Jose Uribe | Signed as Free Agent | Detroit Tigers signed free agent RHP Jose Uribe to a minor league contract. |
| Nov 21 | Jason Foley | Declared Free Agency | RHP Jason Foley elected free agency. |
| Nov 21 | Dugan Darnell | Declared Free Agency | RHP Dugan Darnell elected free agency. |
| Nov 21 | Tanner Rainey | Declared Free Agency | RHP Tanner Rainey elected free agency. |
| Nov 21 | Tyler Mattison | Declared Free Agency | RHP Tyler Mattison elected free agency. |
| Nov 21 | Jack Little | Declared Free Agency | RHP Jack Little elected free agency. |
| Nov 21 | Andy Ibáñez | Declared Free Agency | 3B Andy Ibáñez elected free agency. |
| Nov 21 | Sean Guenther | Declared Free Agency | LHP Sean Guenther elected free agency. |
| Nov 18 | Tanner Rainey | Designated for Assignment | Detroit Tigers designated RHP Tanner Rainey for assignment. |
| Nov 18 | Tyler Mattison | Designated for Assignment | Detroit Tigers designated RHP Tyler Mattison for assignment. |
| Nov 18 | Sean Guenther | Designated for Assignment | Detroit Tigers designated LHP Sean Guenther for assignment. |
| Nov 18 | Thayron Liranzo | Selected | Detroit Tigers selected the contract of C Thayron Liranzo from Erie SeaWolves. |
| Nov 18 | Jake Miller | Selected | Detroit Tigers selected the contract of LHP Jake Miller from Erie SeaWolves. |
| Nov 18 | Eduardo Valencia | Selected | Detroit Tigers selected the contract of C Eduardo Valencia from Toledo Mud Hens. |
| Nov 18 | Trei Cruz | Selected | Detroit Tigers selected the contract of CF Trei Cruz from Toledo Mud Hens. |
| Nov 18 | Hao-Yu Lee | Selected | Detroit Tigers selected the contract of 2B Hao-Yu Lee from Toledo Mud Hens. |
| Nov 18 | Dugan Darnell | Designated for Assignment | Detroit Tigers designated RHP Dugan Darnell for assignment. |
| Nov 18 | Jack Little | Designated for Assignment | Detroit Tigers designated RHP Jack Little for assignment. |
| Nov 18 | Jason Foley | Designated for Assignment | Detroit Tigers designated RHP Jason Foley for assignment. |
| Nov 18 | Gleyber Torres | Signed as Free Agent | Detroit Tigers signed free agent 2B Gleyber Torres. |
| Nov 18 | Alex Lange | Released | Detroit Tigers released RHP Alex Lange. |
| Nov 12 | Alex Lange | Designated for Assignment | Detroit Tigers designated RHP Alex Lange for assignment. |
| Nov 12 | Dugan Darnell | Claimed Off Waivers | Detroit Tigers claimed RHP Dugan Darnell off waivers from Pittsburgh Pirates. |
| Nov 6 | José Urquidy | Declared Free Agency | RHP José Urquidy elected free agency. |
| Nov 6 | Paul Sewald | Declared Free Agency | RHP Paul Sewald elected free agency. |
| Nov 6 | Ty Madden | Status Change | Detroit Tigers activated RHP Ty Madden from the 60-day injured list. |
| Nov 6 | Jackson Jobe | Status Change | Detroit Tigers activated RHP Jackson Jobe from the 60-day injured list. |
| Nov 6 | Sean Guenther | Status Change | Detroit Tigers activated LHP Sean Guenther from the 60-day injured list. |
| Nov 6 | Reese Olson | Status Change | Detroit Tigers activated RHP Reese Olson from the 60-day injured list. |
| Nov 6 | Jason Foley | Status Change | Detroit Tigers activated RHP Jason Foley from the 60-day injured list. |
| Nov 6 | Beau Brieske | Status Change | Detroit Tigers activated RHP Beau Brieske from the 60-day injured list. |
| Nov 6 | Jack Little | Claimed Off Waivers | Detroit Tigers claimed RHP Jack Little off waivers from Pittsburgh Pirates. |
| Nov 2 | Alex Cobb | Declared Free Agency | RHP Alex Cobb elected free agency. |
| Nov 2 | Gleyber Torres | Declared Free Agency | 2B Gleyber Torres elected free agency. |
| Nov 2 | Chris Paddack | Declared Free Agency | RHP Chris Paddack elected free agency. |
| Nov 2 | Rafael Montero | Declared Free Agency | RHP Rafael Montero elected free agency. |
| Nov 2 | Tommy Kahnle | Declared Free Agency | RHP Tommy Kahnle elected free agency. |
| Nov 2 | Kyle Finnegan | Declared Free Agency | RHP Kyle Finnegan elected free agency. |
| Oct 30 | Tomás Nido | Signed as Free Agent | Detroit Tigers signed free agent C Tomás Nido to a minor league contract. |
| Oct 24 | Sammy Zarraga | Signed as Free Agent | Detroit Tigers signed free agent RHP Sammy Zarraga to a minor league contract. |
| Oct 11 | Matt Vierling | Status Change | Detroit Tigers activated CF Matt Vierling. |
| Oct 11 | José Urquidy | Status Change | Detroit Tigers activated RHP José Urquidy. |
| Oct 11 | Jace Jung | Status Change | Detroit Tigers activated 3B Jace Jung. |
| Oct 11 | Drew Sommers | Status Change | Detroit Tigers activated LHP Drew Sommers. |
| Oct 11 | Paul Sewald | Status Change | Detroit Tigers activated RHP Paul Sewald. |
| Oct 11 | Dylan Smith | Status Change | Detroit Tigers activated RHP Dylan Smith. |
| Oct 11 | Tanner Rainey | Status Change | Detroit Tigers activated RHP Tanner Rainey. |
| Oct 11 | Chase Lee | Status Change | Detroit Tigers activated RHP Chase Lee. |
| Oct 11 | Alex Lange | Status Change | Detroit Tigers activated RHP Alex Lange. |
| Oct 11 | Justyn-Henry Malloy | Status Change | Detroit Tigers activated RF Justyn-Henry Malloy. |
| Oct 11 | Tyler Mattison | Status Change | Detroit Tigers activated RHP Tyler Mattison. |
| Oct 11 | Chris Paddack | Status Change | Detroit Tigers activated RHP Chris Paddack. |
| Oct 11 | Bailey Horn | Status Change | Detroit Tigers activated LHP Bailey Horn. |
| Oct 11 | Sawyer Gipson-Long | Status Change | Detroit Tigers activated RHP Sawyer Gipson-Long. |
| Oct 4 | Justyn-Henry Malloy | Status Change | RF Justyn-Henry Malloy roster status changed by Detroit Tigers. |
| Oct 4 | Colt Keith | Status Change | Detroit Tigers activated 2B Colt Keith. |
| Oct 4 | Paul Sewald | Status Change | RHP Paul Sewald roster status changed by Detroit Tigers. |
| Oct 4 | Brenan Hanifee | Status Change | Detroit Tigers activated RHP Brenan Hanifee. |
| Sep 30 | Matt Vierling | Status Change | CF Matt Vierling roster status changed by Detroit Tigers. |
| Sep 30 | Jace Jung | Status Change | 3B Jace Jung roster status changed by Detroit Tigers. |
| Sep 30 | Colt Keith | Status Change | 2B Colt Keith roster status changed by Detroit Tigers. |
| Sep 30 | Tanner Rainey | Status Change | RHP Tanner Rainey roster status changed by Detroit Tigers. |
| Sep 30 | José Urquidy | Status Change | RHP José Urquidy roster status changed by Detroit Tigers. |
| Sep 30 | Drew Sommers | Status Change | LHP Drew Sommers roster status changed by Detroit Tigers. |
| Sep 30 | Dylan Smith | Status Change | RHP Dylan Smith roster status changed by Detroit Tigers. |
| Sep 30 | Chris Paddack | Status Change | RHP Chris Paddack roster status changed by Detroit Tigers. |
| Sep 30 | Chase Lee | Status Change | RHP Chase Lee roster status changed by Detroit Tigers. |
| Sep 30 | Tyler Mattison | Status Change | RHP Tyler Mattison roster status changed by Detroit Tigers. |
| Sep 30 | Alex Lange | Status Change | RHP Alex Lange roster status changed by Detroit Tigers. |
| Sep 30 | Bailey Horn | Status Change | LHP Bailey Horn roster status changed by Detroit Tigers. |
| Sep 30 | Brenan Hanifee | Status Change | RHP Brenan Hanifee roster status changed by Detroit Tigers. |
| Sep 30 | Sawyer Gipson-Long | Status Change | RHP Sawyer Gipson-Long roster status changed by Detroit Tigers. |
| Sep 29 | José Urquidy | Recalled | Detroit Tigers recalled RHP José Urquidy from Toledo Mud Hens. |
| Sep 29 | Jace Jung | Recalled | Detroit Tigers recalled 3B Jace Jung from Toledo Mud Hens. |
| Sep 29 | Bailey Horn | Recalled | Detroit Tigers recalled LHP Bailey Horn from Toledo Mud Hens. |
| Sep 29 | Drew Sommers | Recalled | Detroit Tigers recalled LHP Drew Sommers from Toledo Mud Hens. |
| Sep 29 | Chase Lee | Recalled | Detroit Tigers recalled RHP Chase Lee from Toledo Mud Hens. |
| Sep 29 | Dylan Smith | Recalled | Detroit Tigers recalled RHP Dylan Smith from Toledo Mud Hens. |
| Sep 29 | Tyler Mattison | Recalled | Detroit Tigers recalled RHP Tyler Mattison from Toledo Mud Hens. |
| Sep 29 | Alex Lange | Recalled | Detroit Tigers recalled RHP Alex Lange from Toledo Mud Hens. |
| Sep 29 | Brenan Hanifee | Recalled | Detroit Tigers recalled RHP Brenan Hanifee from Toledo Mud Hens. |
| Sep 29 | Sawyer Gipson-Long | Status Change | Detroit Tigers activated RHP Sawyer Gipson-Long from the 15-day injured list. |
| Sep 29 | Matt Vierling | Status Change | Detroit Tigers activated CF Matt Vierling from the 10-day injured list. |
| Sep 29 | Colt Keith | Status Change | Detroit Tigers activated 2B Colt Keith from the 10-day injured list. |
| Sep 29 | Sawyer Gipson-Long | Status Change | Detroit Tigers placed RHP Sawyer Gipson-Long on the 15-day injured list. |
| Sep 24 | Justyn-Henry Malloy | Recalled | Detroit Tigers recalled RF Justyn-Henry Malloy from Toledo Mud Hens. |
| Sep 24 | Jace Jung | Optioned | Detroit Tigers optioned 3B Jace Jung to Toledo Mud Hens. |
| Sep 21 | Charlie Morton | Released | Detroit Tigers released RHP Charlie Morton. |
| Sep 21 | Tanner Rainey | Selected | Detroit Tigers selected the contract of RHP Tanner Rainey from Toledo Mud Hens. |
| Sep 21 | Charlie Morton | Designated for Assignment | Detroit Tigers designated RHP Charlie Morton for assignment. |
| Sep 19 | José Urquidy | Optioned | Detroit Tigers optioned RHP José Urquidy to Toledo Mud Hens. |
| Sep 19 | Colt Keith | Status Change | Detroit Tigers placed 2B Colt Keith on the 10-day injured list. Right rib cage inflammation. |
| Sep 19 | Jace Jung | Recalled | Detroit Tigers recalled 3B Jace Jung from Toledo Mud Hens. |
| Sep 19 | Bailey Horn | Optioned | Detroit Tigers optioned LHP Bailey Horn to Toledo Mud Hens. |
| Sep 19 | Kyle Finnegan | Status Change | Detroit Tigers activated RHP Kyle Finnegan from the 15-day injured list. |
| Sep 18 | José Urquidy | Designated for Assignment | Detroit Tigers designated RHP José Urquidy for assignment. |
| Sep 18 | Kyle Finnegan | Assigned | Detroit Tigers sent RHP Kyle Finnegan on a rehab assignment to Toledo Mud Hens. |
| Sep 18 | Codi Heuer | Released | Detroit Tigers released RHP Codi Heuer. |
| Sep 18 | Paul Sewald | Status Change | Detroit Tigers activated RHP Paul Sewald from the 60-day injured list. |
| Sep 15 | Brenan Hanifee | Optioned | Detroit Tigers optioned RHP Brenan Hanifee to Toledo Mud Hens. |
| Sep 15 | Brant Hurter | Recalled | Detroit Tigers recalled LHP Brant Hurter from Toledo Mud Hens. |
| Sep 12 | Matt Vierling | Assigned | Detroit Tigers sent CF Matt Vierling on a rehab assignment to Toledo Mud Hens. |
| Sep 12 | Beau Brieske | Status Change | Detroit Tigers placed RHP Beau Brieske on the 60-day injured list. Right forearm strain. |
| Sep 12 | Beau Brieske | Recalled | Detroit Tigers recalled RHP Beau Brieske from Toledo Mud Hens. |
| Sep 12 | José Urquidy | Status Change | Detroit Tigers activated RHP José Urquidy from the 60-day injured list. |
| Sep 12 | Sawyer Gipson-Long | Status Change | Detroit Tigers placed RHP Sawyer Gipson-Long on the 15-day injured list. Neck stiffness. |
| Sep 11 | Drew Sommers | Optioned | Detroit Tigers optioned LHP Drew Sommers to Toledo Mud Hens. |
| Sep 11 | Bailey Horn | Status Change | Detroit Tigers activated LHP Bailey Horn from the paternity list. |
| Sep 10 | Paul Sewald | Assigned | Detroit Tigers sent RHP Paul Sewald on a rehab assignment to Toledo Mud Hens. |
| Sep 9 | Drew Sommers | Recalled | Detroit Tigers recalled LHP Drew Sommers from Toledo Mud Hens. |
| Sep 9 | Bailey Horn | Status Change | Detroit Tigers placed LHP Bailey Horn on the paternity list. |
| Sep 6 | Justyn-Henry Malloy | Optioned | Detroit Tigers optioned RF Justyn-Henry Malloy to Toledo Mud Hens. |
| Sep 6 | Chris Paddack | Status Change | Detroit Tigers activated RHP Chris Paddack from the bereavement list. |
| Sep 5 | Parker Meadows | Status Change | Detroit Tigers placed CF Parker Meadows on the 10-day injured list. Left radius fracture. |
| Sep 5 | Kyle Finnegan | Status Change | Detroit Tigers placed RHP Kyle Finnegan on the 15-day injured list retroactive to September 1, 2025. Right adductor strain. |
| Sep 5 | Parker Meadows | Status Change | Detroit Tigers activated CF Parker Meadows from the 10-day injured list. |
| Sep 4 | Paul Sewald | Assigned | Detroit Tigers sent RHP Paul Sewald on a rehab assignment to West Michigan Whitecaps. |
| Sep 4 | Paul Sewald | Assigned | Detroit Tigers sent RHP Paul Sewald on a rehab assignment to West Michigan Whitecaps. |
| Sep 3 | Chris Paddack | Status Change | Detroit Tigers placed RHP Chris Paddack on the bereavement list. |
| Sep 3 | Keider Montero | Recalled | Detroit Tigers recalled RHP Keider Montero from Toledo Mud Hens. |
| Sep 2 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Sep 2 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Sep 2 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Sep 2 | Bailey Horn | Recalled | Detroit Tigers recalled LHP Bailey Horn from Toledo Mud Hens. |
| Sep 2 | Drew Sommers | Optioned | Detroit Tigers optioned LHP Drew Sommers to Toledo Mud Hens. |
| Sep 2 | Sawyer Gipson-Long | Recalled | Detroit Tigers recalled RHP Sawyer Gipson-Long from Toledo Mud Hens. |
| Sep 2 | Chase Lee | Optioned | Detroit Tigers optioned RHP Chase Lee to Toledo Mud Hens. |
| Sep 1 | Justyn-Henry Malloy | Recalled | Detroit Tigers recalled RF Justyn-Henry Malloy from Toledo Mud Hens. |
| Sep 1 | Chase Lee | Recalled | Detroit Tigers recalled RHP Chase Lee from Toledo Mud Hens. |
| Aug 27 | Parker Meadows | Assigned | Detroit Tigers sent CF Parker Meadows on a rehab assignment to Toledo Mud Hens. |
| Aug 27 | Parker Meadows | Assigned | Detroit Tigers sent CF Parker Meadows on a rehab assignment to Toledo Mud Hens. |
| Aug 24 | Ryan Kreidler | Claimed Off Waivers | Pittsburgh Pirates claimed CF Ryan Kreidler off waivers from Detroit Tigers. |
| Aug 23 | Kevin Newman | Status Change | 3B Kevin Newman roster status changed by Detroit Tigers. |
| Aug 22 | Ryan Kreidler | Designated for Assignment | Detroit Tigers designated CF Ryan Kreidler for assignment. |
| Aug 22 | Drew Sommers | Selected | Detroit Tigers selected the contract of LHP Drew Sommers from Toledo Mud Hens. |
| Aug 21 | Alex Lange | Optioned | Detroit Tigers optioned RHP Alex Lange to Toledo Mud Hens. |
| Aug 20 | José Urquidy | Assigned | Detroit Tigers sent RHP José Urquidy on a rehab assignment to Toledo Mud Hens. |
| Aug 20 | José Urquidy | Assigned | Detroit Tigers sent RHP José Urquidy on a rehab assignment to Toledo Mud Hens. |
| Aug 18 | Alex Lange | Status Change | Detroit Tigers activated RHP Alex Lange from the 60-day injured list. |
| Aug 18 | Bailey Horn | Optioned | Detroit Tigers optioned LHP Bailey Horn to Toledo Mud Hens. |
| Aug 17 | Brant Hurter | Optioned | Detroit Tigers optioned LHP Brant Hurter to Toledo Mud Hens. |
| Aug 17 | Brenan Hanifee | Recalled | Detroit Tigers recalled RHP Brenan Hanifee from Toledo Mud Hens. |
| Aug 14 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Aug 14 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Aug 14 | Sawyer Gipson-Long | Optioned | Detroit Tigers optioned RHP Sawyer Gipson-Long to Toledo Mud Hens. |
| Aug 14 | Bailey Horn | Recalled | Detroit Tigers recalled LHP Bailey Horn from Toledo Mud Hens. |
| Aug 14 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Aug 13 | Sawyer Gipson-Long | Status Change | Detroit Tigers activated RHP Sawyer Gipson-Long from the 15-day injured list. |
| Aug 13 | Codi Heuer | Optioned | Detroit Tigers optioned RHP Codi Heuer to Toledo Mud Hens. |
| Aug 10 | Luke Jackson | Outrighted | Detroit Tigers sent RHP Luke Jackson outright to Toledo Mud Hens. |
| Aug 10 | Matt Vierling | Status Change | Detroit Tigers placed CF Matt Vierling on the 10-day injured list. Left oblique strain. |
| Aug 10 | Trey Sweeney | Recalled | Detroit Tigers recalled SS Trey Sweeney from Toledo Mud Hens. |
| Aug 8 | Luke Jackson | Designated for Assignment | Detroit Tigers designated RHP Luke Jackson for assignment. |
| Aug 8 | Codi Heuer | Recalled | Detroit Tigers recalled RHP Codi Heuer from Toledo Mud Hens. |
| Aug 5 | Matt Stil | Signed as Free Agent | Detroit Tigers signed free agent RHP Matt Stil to a minor league contract. |
| Aug 3 | PJ Poulin | Claimed Off Waivers | Washington Nationals claimed LHP PJ Poulin off waivers from Detroit Tigers. |
| Aug 3 | José Urquidy | Assigned | Detroit Tigers sent RHP José Urquidy on a rehab assignment to Lakeland Flying Tigers. |
| Aug 2 | Tyler Owens | Signed as Free Agent | Detroit Tigers signed free agent RHP Tyler Owens to a minor league contract. |
| Aug 2 | Brenan Hanifee | Optioned | Detroit Tigers optioned RHP Brenan Hanifee to Toledo Mud Hens. |
| Aug 2 | Charlie Morton | Status Change | Detroit Tigers activated RHP Charlie Morton. |
| Aug 1 | Tyler Owens | Released | Detroit Tigers released RHP Tyler Owens. |
| Aug 1 | Chase Lee | Optioned | Detroit Tigers optioned RHP Chase Lee to Toledo Mud Hens. |
| Aug 1 | Rafael Montero | Status Change | Detroit Tigers activated RHP Rafael Montero. |
| Jul 31 | Kyle Finnegan | Status Change | Detroit Tigers activated RHP Kyle Finnegan. |
| Jul 31 | PJ Poulin | Designated for Assignment | Detroit Tigers designated LHP PJ Poulin for assignment. |
| Jul 31 | Geoff Hartlieb | Signed as Free Agent | Detroit Tigers signed free agent RHP Geoff Hartlieb to a minor league contract. |
| Jul 31 | Dietrich Enns | Trade | Detroit Tigers traded LHP Dietrich Enns to Baltimore Orioles for cash. |
| Jul 31 | Charlie Morton | Trade | Baltimore Orioles traded RHP Charlie Morton to Detroit Tigers for LHP Micah Ashman. |
| Jul 31 | Codi Heuer | Trade | Texas Rangers traded RHP Codi Heuer to Detroit Tigers for cash. |
| Jul 31 | Carlos Hernández | Claimed Off Waivers | Cleveland Guardians claimed RHP Carlos Hernández off waivers from Detroit Tigers. |
| Jul 31 | Josueth Quinonez | Trade | Detroit Tigers traded RHP Matt Manning to Philadelphia Phillies for OF Josueth Quinonez. |
| Jul 31 | R.J. Sales | Trade | Washington Nationals traded RHP Kyle Finnegan to Detroit Tigers for RHP R.J. Sales and RHP Josh Randall. |
| Jul 31 | — | Trade | Cleveland Guardians traded RHP Paul Sewald to Detroit Tigers for Future Considerations. |
| Jul 31 | Jim Jarvis | Trade | Atlanta Braves traded RHP Rafael Montero to Detroit Tigers for SS Jim Jarvis. |
| Jul 30 | Matt Manning | Designated for Assignment | Detroit Tigers designated RHP Matt Manning for assignment. |
| Jul 30 | Tyler Owens | Designated for Assignment | Detroit Tigers designated RHP Tyler Owens for assignment. |
| Jul 29 | Geoff Hartlieb | Outrighted | Detroit Tigers sent RHP Geoff Hartlieb outright to Toledo Mud Hens. |
| Jul 29 | Ryan Kreidler | Optioned | Detroit Tigers optioned CF Ryan Kreidler to Toledo Mud Hens. |
| Jul 29 | Chris Paddack | Status Change | Detroit Tigers activated RHP Chris Paddack. |
| Jul 29 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to West Michigan Whitecaps. |
| Jul 28 | Ryan Kreidler | Recalled | Detroit Tigers recalled CF Ryan Kreidler from Toledo Mud Hens. |
| Jul 28 | Reese Olson | Status Change | Detroit Tigers placed RHP Reese Olson on the 60-day injured list. Right shoulder strain. |
| Jul 28 | Chris Paddack | Trade | Minnesota Twins traded RHP Chris Paddack and RHP Randy Dobnak to Detroit Tigers for C Enrique Jimenez. |
| Jul 28 | Parker Meadows | Status Change | Detroit Tigers placed CF Parker Meadows on the 10-day injured list. Right quad strain. |
| Jul 28 | Andy Ibáñez | Recalled | Detroit Tigers recalled 3B Andy Ibáñez from Toledo Mud Hens. |
| Jul 28 | Meridian Leffew | Signed | Detroit Tigers signed SS Meridian Leffew. |
| Jul 27 | Trey Sweeney | Optioned | Detroit Tigers optioned SS Trey Sweeney to Toledo Mud Hens. |
| Jul 27 | Kerry Carpenter | Status Change | Detroit Tigers activated RF Kerry Carpenter from the 10-day injured list. |
| Jul 26 | Brewer Hicklen | Trade | Detroit Tigers traded CF Brewer Hicklen to Philadelphia Phillies for cash. |
| Jul 26 | Geoff Hartlieb | Designated for Assignment | Detroit Tigers designated RHP Geoff Hartlieb for assignment. |
| Jul 26 | Keider Montero | Optioned | Detroit Tigers optioned RHP Keider Montero to Toledo Mud Hens. |
| Jul 26 | Luke Jackson | Signed as Free Agent | Detroit Tigers signed free agent RHP Luke Jackson. |
| Jul 26 | Tarik Skubal | Status Change | Detroit Tigers activated LHP Tarik Skubal from the paternity list. |
| Jul 24 | Andrew Pogue | Signed as Free Agent | Detroit Tigers signed free agent RHP Andrew Pogue to a minor league contract. |
| Jul 24 | Luke Hoskins | Signed as Free Agent | Detroit Tigers signed free agent RHP Luke Hoskins to a minor league contract. |
| Jul 24 | Carlos Hernández | Designated for Assignment | Detroit Tigers designated RHP Carlos Hernández for assignment. |
| Jul 24 | Geoff Hartlieb | Selected | Detroit Tigers selected the contract of RHP Geoff Hartlieb from Toledo Mud Hens. |
| Jul 23 | Danandres Colon | Signed as Free Agent | Detroit Tigers signed free agent SS Danandres Colon to a minor league contract. |
| Jul 23 | Travis Kuhn | Signed as Free Agent | Detroit Tigers signed free agent RHP Travis Kuhn to a minor league contract. |
| Jul 23 | Michael Oliveto | Signed | Detroit Tigers signed C Michael Oliveto. |
| Jul 23 | Malachi Witherspoon | Signed | Detroit Tigers signed RHP Malachi Witherspoon. |
| Jul 23 | Joe Ruzicka | Signed | Detroit Tigers signed RHP Joe Ruzicka. |
| Jul 23 | Caleb Leys | Signed | Detroit Tigers signed LHP Caleb Leys. |
| Jul 23 | Ben Jacobs | Signed | Detroit Tigers signed LHP Ben Jacobs. |
| Jul 23 | Grayson Grinsell | Signed | Detroit Tigers signed LHP Grayson Grinsell. |
| Jul 23 | Jack Goodman | Signed | Detroit Tigers signed SS Jack Goodman. |
| Jul 23 | Edian Espinal | Signed | Detroit Tigers signed C Edian Espinal. |
| Jul 23 | Kameron Douglas | Signed | Detroit Tigers signed OF Kameron Douglas. |
| Jul 23 | Charlie Christensen | Signed | Detroit Tigers signed RHP Charlie Christensen. |
| Jul 23 | Beau Ankeney | Signed | Detroit Tigers signed 1B Beau Ankeney. |
| Jul 23 | Brewer Hicklen | Designated for Assignment | Detroit Tigers designated CF Brewer Hicklen for assignment. |
| Jul 23 | Tarik Skubal | Status Change | Detroit Tigers placed LHP Tarik Skubal on the paternity list. |
| Jul 23 | Troy Melton | Selected | Detroit Tigers selected the contract of RHP Troy Melton from Toledo Mud Hens. |
| Jul 22 | Joey Wimpelberg | Signed | Detroit Tigers signed RHP Joey Wimpelberg. |
| Jul 22 | River Hamilton | Signed | Detroit Tigers signed RHP River Hamilton. |
| Jul 22 | Trevor Heishman | Signed | Detroit Tigers signed LHP Trevor Heishman. |
| Jul 22 | Cale Wetwiska | Signed | Detroit Tigers signed RHP Cale Wetwiska. |
| Jul 22 | Ryan Hall | Signed | Detroit Tigers signed RHP Ryan Hall. |
| Jul 22 | Kerry Carpenter | Assigned | Detroit Tigers sent RF Kerry Carpenter on a rehab assignment to Toledo Mud Hens. |
| Jul 22 | Kerry Carpenter | Assigned | Detroit Tigers sent RF Kerry Carpenter on a rehab assignment to Toledo Mud Hens. |
| Jul 20 | Alex Lange | Assigned | Detroit Tigers sent RHP Alex Lange on a rehab assignment to Toledo Mud Hens. |
| Jul 20 | Alex Lange | Assigned | Detroit Tigers sent RHP Alex Lange on a rehab assignment to Toledo Mud Hens. |
| Jul 19 | Nick Dumesnil | Signed | Detroit Tigers signed OF Nick Dumesnil. |
| Jul 18 | Jordan Yost | Signed | Detroit Tigers signed SS Jordan Yost. |
| Jul 18 | Tanner Rainey | Signed | Detroit Tigers signed RHP Tanner Rainey. |
| Jul 17 | Cash Kuiper | Signed | Detroit Tigers signed RHP Cash Kuiper. |
| Jul 13 | Sawyer Gipson-Long | Assigned | Detroit Tigers sent RHP Sawyer Gipson-Long on a rehab assignment to Toledo Mud Hens. |
| Jul 13 | Sawyer Gipson-Long | Assigned | Detroit Tigers sent RHP Sawyer Gipson-Long on a rehab assignment to Toledo Mud Hens. |
| Jul 12 | Geoff Hartlieb | Signed as Free Agent | Detroit Tigers signed free agent RHP Geoff Hartlieb to a minor league contract. |
| Jul 11 | Mitchell Evans | Signed as Free Agent | Detroit Tigers signed free agent LHP Mitchell Evans to a minor league contract. |
| Jul 10 | Ricky Vanasco | Signed as Free Agent | Detroit Tigers signed free agent RHP Ricky Vanasco to a minor league contract. |
| Jul 8 | Devin Smeltzer | Signed as Free Agent | Detroit Tigers signed free agent LHP Devin Smeltzer to a minor league contract. |
| Jul 7 | Bailey Horn | Optioned | Detroit Tigers optioned LHP Bailey Horn to Toledo Mud Hens. |
| Jul 7 | Keider Montero | Recalled | Detroit Tigers recalled RHP Keider Montero from Toledo Mud Hens. |
| Jul 6 | PJ Poulin | Selected | Detroit Tigers selected the contract of LHP PJ Poulin from Toledo Mud Hens. |
| Jul 6 | Sean Guenther | Recalled | Detroit Tigers recalled LHP Sean Guenther from Toledo Mud Hens. |
| Jul 4 | Reese Olson | Status Change | Detroit Tigers activated RHP Reese Olson from the 15-day injured list. |
| Jul 4 | Justyn-Henry Malloy | Optioned | Detroit Tigers optioned RF Justyn-Henry Malloy to Toledo Mud Hens. |
| Jul 3 | Tyler Owens | Optioned | Detroit Tigers optioned RHP Tyler Owens to Toledo Mud Hens. |
| Jul 3 | Dylan Smith | Optioned | Detroit Tigers optioned RHP Dylan Smith to Toledo Mud Hens. |
| Jul 2 | Justyn-Henry Malloy | Recalled | Detroit Tigers recalled RF Justyn-Henry Malloy from Toledo Mud Hens. |
| Jul 2 | Bailey Horn | Recalled | Detroit Tigers recalled LHP Bailey Horn from Toledo Mud Hens. |
| Jul 2 | Tyler Owens | Recalled | Detroit Tigers recalled RHP Tyler Owens from Toledo Mud Hens. |
| Jul 2 | Sawyer Gipson-Long | Status Change | Detroit Tigers placed RHP Sawyer Gipson-Long on the 15-day injured list retroactive to June 29, 2025. Neck stiffness. |
| Jul 2 | Trey Sweeney | Recalled | Detroit Tigers recalled SS Trey Sweeney from Toledo Mud Hens. |
| Jul 2 | Kerry Carpenter | Status Change | Detroit Tigers placed RF Kerry Carpenter on the 10-day injured list retroactive to June 30, 2025. Right hamstring strain. |
| Jun 30 | Matt Gage | Outrighted | Detroit Tigers sent LHP Matt Gage outright to Toledo Mud Hens. |
| Jun 28 | Matt Vierling | Status Change | Detroit Tigers placed CF Matt Vierling on the 10-day injured list. Left olique strain. |
| Jun 28 | Matt Vierling | Status Change | Detroit Tigers activated CF Matt Vierling from the 10-day injured list. |
| Jun 28 | Trey Sweeney | Optioned | Detroit Tigers optioned SS Trey Sweeney to Toledo Mud Hens. |
| Jun 26 | Matt Gage | Designated for Assignment | Detroit Tigers designated LHP Matt Gage for assignment. |
| Jun 26 | Dietrich Enns | Status Change | Detroit Tigers activated LHP Dietrich Enns. |
| Jun 26 | Dietrich Enns | Selected | Detroit Tigers selected the contract of LHP Dietrich Enns from Toledo Mud Hens. |
| Jun 24 | Alex Lange | Assigned | Detroit Tigers sent RHP Alex Lange on a rehab assignment to Toledo Mud Hens. |
| Jun 24 | Alex Lange | Assigned | Detroit Tigers sent RHP Alex Lange on a rehab assignment to Toledo Mud Hens. |
| Jun 23 | Woo-Suk Go | Signed as Free Agent | Detroit Tigers signed free agent RHP Woo-Suk Go to a minor league contract. |
| Jun 20 | Keider Montero | Optioned | Detroit Tigers optioned RHP Keider Montero to Toledo Mud Hens. |
| Jun 20 | Dylan Smith | Recalled | Detroit Tigers recalled RHP Dylan Smith from Toledo Mud Hens. |
| Jun 20 | Dylan Smith | Optioned | Detroit Tigers optioned RHP Dylan Smith to Toledo Mud Hens. |
| Jun 19 | John Brebbia | Released | Detroit Tigers released RHP John Brebbia. |
| Jun 19 | Dylan Smith | Recalled | Detroit Tigers recalled RHP Dylan Smith from Toledo Mud Hens. |
| Jun 17 | Alex Lange | Assigned | Detroit Tigers sent RHP Alex Lange on a rehab assignment to West Michigan Whitecaps. |
| Jun 17 | Tyler Owens | Optioned | Detroit Tigers optioned RHP Tyler Owens to Toledo Mud Hens. |
| Jun 17 | Carlos Hernández | Status Change | Detroit Tigers activated RHP Carlos Hernández. |
| Jun 17 | Alex Lange | Assigned | Detroit Tigers sent RHP Alex Lange on a rehab assignment to West Michigan Whitecaps. |
| Jun 16 | Carlos Hernández | Claimed Off Waivers | Detroit Tigers claimed RHP Carlos Hernández off waivers from Philadelphia Phillies. |
| Jun 15 | Tyler Owens | Recalled | Detroit Tigers recalled RHP Tyler Owens from Toledo Mud Hens. |
| Jun 15 | John Brebbia | Designated for Assignment | Detroit Tigers designated RHP John Brebbia for assignment. |
| Jun 14 | Reese Olson | Assigned | Detroit Tigers sent RHP Reese Olson on a rehab assignment to Toledo Mud Hens. |
| Jun 13 | Matt Vierling | Assigned | Detroit Tigers sent CF Matt Vierling on a rehab assignment to Toledo Mud Hens. |
| Jun 12 | Jackson Jobe | Status Change | Detroit Tigers transferred RHP Jackson Jobe from the 15-day injured list to the 60-day injured list. Right grade one flexor strain. |
| Jun 12 | Beau Brieske | Optioned | Detroit Tigers optioned RHP Beau Brieske to Toledo Mud Hens. |
| Jun 12 | Matt Gage | Selected | Detroit Tigers selected the contract of LHP Matt Gage from Toledo Mud Hens. |
| Jun 11 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Jun 11 | Yoan Valdez | Signed as Free Agent | Detroit Tigers signed free agent RHP Yoan Valdez to a minor league contract. |
| Jun 11 | Jesus Mejia | Signed as Free Agent | Detroit Tigers signed free agent RHP Jesus Mejia to a minor league contract. |
| Jun 11 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to Toledo Mud Hens. |
| Jun 10 | Akil Baddoo | Outrighted | Detroit Tigers sent LF Akil Baddoo outright to Toledo Mud Hens. |
| Jun 7 | Esmerlin Peguero | Signed as Free Agent | Detroit Tigers signed free agent RHP Esmerlin Peguero to a minor league contract. |
| Jun 7 | Jhoan De Los Santos | Signed as Free Agent | Detroit Tigers signed free agent RHP Jhoan De Los Santos to a minor league contract. |
| Jun 6 | Akil Baddoo | Designated for Assignment | Detroit Tigers designated LF Akil Baddoo for assignment. |
| Jun 6 | Jahmai Jones | Selected | Detroit Tigers selected the contract of CF Jahmai Jones from Toledo Mud Hens. |
| Jun 6 | Andy Ibáñez | Optioned | Detroit Tigers optioned 3B Andy Ibáñez to Toledo Mud Hens. |
| Jun 4 | Jason Foley | Status Change | Detroit Tigers placed RHP Jason Foley on the 60-day injured list. Recovery from right shoulder surgery. |
| Jun 4 | Dylan Smith | Optioned | Detroit Tigers optioned RHP Dylan Smith to Toledo Mud Hens. |
| Jun 4 | Jason Foley | Recalled | Detroit Tigers recalled RHP Jason Foley from Toledo Mud Hens. |
| Jun 4 | Sawyer Gipson-Long | Status Change | Detroit Tigers activated RHP Sawyer Gipson-Long from the 60-day injured list. |
| Jun 4 | Ryan Cusick | Claimed Off Waivers | Chicago White Sox claimed RHP Ryan Cusick off waivers from Detroit Tigers. |
| Jun 3 | Ryan Cusick | Status Change | RHP Ryan Cusick roster status changed by Detroit Tigers. |
| Jun 2 | Ryan Cusick | Designated for Assignment | Detroit Tigers designated RHP Ryan Cusick for assignment. |
| Jun 2 | Justyn-Henry Malloy | Optioned | Detroit Tigers optioned RF Justyn-Henry Malloy to Toledo Mud Hens. |
| Jun 2 | Parker Meadows | Status Change | Detroit Tigers activated CF Parker Meadows from the 60-day injured list. |
| May 30 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to West Michigan Whitecaps. |
| May 30 | Ryan Cusick | Claimed Off Waivers | Detroit Tigers claimed RHP Ryan Cusick off waivers from Athletics. |
| May 30 | Alex Cobb | Assigned | Detroit Tigers sent RHP Alex Cobb on a rehab assignment to West Michigan Whitecaps. |
| May 30 | Dylan Smith | Selected | Detroit Tigers selected the contract of RHP Dylan Smith from Toledo Mud Hens. |
| May 30 | Alex Cobb | Status Change | Detroit Tigers transferred RHP Alex Cobb from the 15-day injured list to the 60-day injured list. Right hip inflammation. |
| May 30 | Jackson Jobe | Status Change | Detroit Tigers placed RHP Jackson Jobe on the 15-day injured list retroactive to May 29, 2025. Right grade one flexor strain. |
| May 27 | Matt Vierling | Status Change | Detroit Tigers placed CF Matt Vierling on the 10-day injured list. Right shoulder inflammation. |
| May 27 | Wenceel Pérez | Status Change | Detroit Tigers activated RF Wenceel Pérez from the 60-day injured list. |
| May 24 | Parker Meadows | Assigned | Detroit Tigers sent CF Parker Meadows on a rehab assignment to Toledo Mud Hens. |
| May 24 | Wenceel Pérez | Assigned | Detroit Tigers sent RF Wenceel Pérez on a rehab assignment to Toledo Mud Hens. |
| May 24 | Sawyer Gipson-Long | Assigned | Detroit Tigers sent RHP Sawyer Gipson-Long on a rehab assignment to Toledo Mud Hens. |
| May 24 | Richard Guasch | Signed as Free Agent | Detroit Tigers signed RHP Richard Guasch. |
| May 24 | Akil Baddoo | Optioned | Detroit Tigers optioned LF Akil Baddoo to Toledo Mud Hens. |
| May 24 | Casey Mize | Status Change | Detroit Tigers activated RHP Casey Mize from the 15-day injured list. |
| May 23 | Stephen Hrustich | Signed as Free Agent | Detroit Tigers signed free agent OF Stephen Hrustich to a minor league contract. |
| May 23 | Tomás Nido | Outrighted | Detroit Tigers sent C Tomás Nido outright to Toledo Mud Hens. |
| May 23 | Sean Guenther | Optioned | Detroit Tigers optioned LHP Sean Guenther to Toledo Mud Hens. |
| May 23 | Matt Vierling | Status Change | Detroit Tigers activated CF Matt Vierling from the 10-day injured list. |
| May 22 | Jose Guzman | Signed as Free Agent | Detroit Tigers signed free agent RHP Jose Guzman to a minor league contract. |
| May 22 | Dariel Fregio | Signed as Free Agent | Detroit Tigers signed free agent RHP Dariel Fregio to a minor league contract. |
| May 21 | Wenceel Pérez | Assigned | Detroit Tigers sent RF Wenceel Pérez on a rehab assignment to Lakeland Flying Tigers. |
| May 21 | Parker Meadows | Assigned | Detroit Tigers sent CF Parker Meadows on a rehab assignment to Lakeland Flying Tigers. |
| May 21 | Wenceel Pérez | Assigned | Detroit Tigers sent RF Wenceel Pérez on a rehab assignment to Lakeland Flying Tigers. |
| May 21 | Matt Vierling | Assigned | Detroit Tigers sent CF Matt Vierling on a rehab assignment to Lakeland Flying Tigers. |
| May 21 | Parker Meadows | Assigned | Detroit Tigers sent CF Parker Meadows on a rehab assignment to Lakeland Flying Tigers. |
| May 20 | Wenceel Pérez | Assigned | Detroit Tigers sent RF Wenceel Pérez on a rehab assignment to Toledo Mud Hens. |
| May 20 | Parker Meadows | Assigned | Detroit Tigers sent CF Parker Meadows on a rehab assignment to Toledo Mud Hens. |
| May 20 | Wenceel Pérez | Assigned | Detroit Tigers sent RF Wenceel Pérez on a rehab assignment to Toledo Mud Hens. |
| May 20 | Parker Meadows | Assigned | Detroit Tigers sent CF Parker Meadows on a rehab assignment to Toledo Mud Hens. |
| May 20 | Tomás Nido | Designated for Assignment | Detroit Tigers designated C Tomás Nido for assignment. |
| May 20 | Jake Rogers | Status Change | Detroit Tigers activated C Jake Rogers from the 10-day injured list. |
| May 19 | Chase Lee | Recalled | Detroit Tigers recalled RHP Chase Lee from Toledo Mud Hens. |
| May 18 | Reese Olson | Status Change | Detroit Tigers placed RHP Reese Olson on the 15-day injured list. Right ring finger inflammation. |
| May 18 | Reese Olson | Status Change | Detroit Tigers placed RHP Reese Olson on the 15-day injured list. Right ring finger inflammation. |
| May 16 | Wenceel Pérez | Assigned | Detroit Tigers sent RF Wenceel Pérez on a rehab assignment to West Michigan Whitecaps. |
| May 15 | Logan Berrier | Signed as Free Agent | Detroit Tigers signed free agent RHP Logan Berrier to a minor league contract. |
| May 14 | Gage Workman | Returned | 3B Gage Workman returned to Detroit Tigers from Chicago White Sox. |
| May 14 | Jace Jung | Optioned | Detroit Tigers optioned 3B Jace Jung to Toledo Mud Hens. |
| May 14 | Akil Baddoo | Selected | Detroit Tigers selected the contract of LF Akil Baddoo from Toledo Mud Hens. |
| May 13 | Jake Rogers | Assigned | Detroit Tigers sent C Jake Rogers on a rehab assignment to Toledo Mud Hens. |
| May 13 | Keider Montero | Recalled | Detroit Tigers recalled RHP Keider Montero from Toledo Mud Hens. |
| May 13 | Chase Lee | Optioned | Detroit Tigers optioned RHP Chase Lee to Toledo Mud Hens. |
| May 13 | Sawyer Gipson-Long | Assigned | Detroit Tigers sent RHP Sawyer Gipson-Long on a rehab assignment to West Michigan Whitecaps. |
| May 10 | Casey Mize | Status Change | Detroit Tigers placed RHP Casey Mize on the 15-day injured list retroactive to May 9, 2025. Left hamstring strain. |
| May 10 | Chase Lee | Recalled | Detroit Tigers recalled RHP Chase Lee from Toledo Mud Hens. |
| May 9 | Ryan Boyer | Signed as Free Agent | Detroit Tigers signed free agent RHP Ryan Boyer to a minor league contract. |
| May 9 | John Brebbia | Status Change | Detroit Tigers activated RHP John Brebbia from the 15-day injured list. |
| May 9 | Brewer Hicklen | Optioned | Detroit Tigers optioned RF Brewer Hicklen to Toledo Mud Hens. |
| May 9 | Keider Montero | Optioned | Detroit Tigers optioned RHP Keider Montero to Toledo Mud Hens. |
| May 8 | Chase Lee | Optioned | Detroit Tigers optioned RHP Chase Lee to Toledo Mud Hens. |
| May 8 | Brewer Hicklen | Recalled | Detroit Tigers recalled RF Brewer Hicklen from Toledo Mud Hens. |
| May 8 | Sawyer Gipson-Long | Assigned | Detroit Tigers sent RHP Sawyer Gipson-Long on a rehab assignment to Lakeland Flying Tigers. |
| May 8 | Keider Montero | Recalled | Detroit Tigers recalled RHP Keider Montero from Toledo Mud Hens. |
| May 7 | Pedro Garcia | Signed as Free Agent | Detroit Tigers signed free agent RHP Pedro Garcia to a minor league contract. |
| May 7 | Manuel Margot | Outrighted | Detroit Tigers sent RF Manuel Margot outright to Toledo Mud Hens. |
| May 7 | Manuel Margot | Status Change | Detroit Tigers activated RF Manuel Margot from the 10-day injured list. |
| May 7 | Kenta Maeda | Released | Detroit Tigers released RHP Kenta Maeda. |
| May 7 | Tomás Nido | Number Change | C Tomás Nido changed number to 0. |
| May 4 | Matt Vierling | Assigned | Detroit Tigers sent CF Matt Vierling on a rehab assignment to Toledo Mud Hens. |
| May 3 | Tyler Owens | Optioned | Detroit Tigers optioned RHP Tyler Owens to Toledo Mud Hens. |
| May 3 | Beau Brieske | Status Change | Detroit Tigers activated RHP Beau Brieske from the 15-day injured list. |
| May 3 | John Brebbia | Assigned | Detroit Tigers sent RHP John Brebbia on a rehab assignment to Toledo Mud Hens. |
| May 2 | Andy Mata | Signed as Free Agent | Detroit Tigers signed free agent IF Andy Mata to a minor league contract. |
| May 1 | Tyler Owens | Recalled | Detroit Tigers recalled RHP Tyler Owens from Toledo Mud Hens. |
| May 1 | Kenta Maeda | Designated for Assignment | Detroit Tigers designated RHP Kenta Maeda for assignment. |
| Apr 30 | Beau Brieske | Assigned | Detroit Tigers sent RHP Beau Brieske on a rehab assignment to West Michigan Whitecaps. |
| Apr 30 | Beau Brieske | Assigned | Detroit Tigers sent RHP Beau Brieske on a rehab assignment to West Michigan Whitecaps. |
| Apr 29 | Nick Margevicius | Signed as Free Agent | Detroit Tigers signed free agent LHP Nick Margevicius to a minor league contract. |
| Apr 29 | Ryan Harvey | Signed as Free Agent | Detroit Tigers signed free agent RHP Ryan Harvey to a minor league contract. |
| Apr 29 | Manuel Margot | Assigned | Detroit Tigers sent RF Manuel Margot on a rehab assignment to Toledo Mud Hens. |
| Apr 27 | Keider Montero | Optioned | Detroit Tigers optioned RHP Keider Montero to Toledo Mud Hens. |
| Apr 26 | Keider Montero | Recalled | Detroit Tigers recalled RHP Keider Montero from Toledo Mud Hens. |
| Apr 26 | Sean Guenther | Recalled | Detroit Tigers recalled LHP Sean Guenther from Toledo Mud Hens. |
| Apr 24 | Bailey Horn | Optioned | Detroit Tigers optioned LHP Bailey Horn to Toledo Mud Hens. |
| Apr 22 | Chase Lee | Recalled | Detroit Tigers recalled RHP Chase Lee from Toledo Mud Hens. |
| Apr 22 | Keider Montero | Optioned | Detroit Tigers optioned RHP Keider Montero to Toledo Mud Hens. |
| Apr 21 | Ryan Kreidler | Optioned | Detroit Tigers optioned CF Ryan Kreidler to Toledo Mud Hens. |
| Apr 21 | Jace Jung | Recalled | Detroit Tigers recalled 3B Jace Jung from Toledo Mud Hens. |
| Apr 19 | John Brebbia | Status Change | Detroit Tigers placed RHP John Brebbia on the 15-day injured list. Right triceps strain. |
| Apr 19 | Bailey Horn | Recalled | Detroit Tigers recalled LHP Bailey Horn from Toledo Mud Hens. |
| Apr 18 | Brenan Hanifee | Recalled | Detroit Tigers recalled RHP Brenan Hanifee from Toledo Mud Hens. |
| Apr 18 | Beau Brieske | Status Change | Detroit Tigers placed RHP Beau Brieske on the 15-day injured list. Right ankle inflammation. |
| Apr 16 | Brenan Hanifee | Optioned | Detroit Tigers optioned RHP Brenan Hanifee to Toledo Mud Hens. |
| Apr 16 | Keider Montero | Recalled | Detroit Tigers recalled RHP Keider Montero from Toledo Mud Hens. |
| Apr 16 | Casey Mize | Number Change | RHP Casey Mize changed number to 12. |
| Apr 16 | Tarik Skubal | Number Change | LHP Tarik Skubal changed number to 29. |
| Apr 16 | Beau Brieske | Number Change | RHP Beau Brieske changed number to 4. |
| Apr 16 | Spencer Torkelson | Number Change | 1B Spencer Torkelson changed number to 20. |
| Apr 16 | Javier Báez | Number Change | SS Javier Báez changed number to 28. |
| Apr 16 | Will Vest | Number Change | RHP Will Vest changed number to 19. |
| Apr 16 | Ryan Kreidler | Number Change | SS Ryan Kreidler changed number to 32. |
| Apr 16 | Riley Greene | Number Change | LF Riley Greene changed number to 31. |
| Apr 16 | Reese Olson | Number Change | RHP Reese Olson changed number to 45. |
| Apr 16 | Kerry Carpenter | Number Change | RF Kerry Carpenter changed number to 30. |
| Apr 16 | Andy Ibáñez | Number Change | 2B Andy Ibáñez changed number to 77. |
| Apr 16 | Tyler Holton | Number Change | LHP Tyler Holton changed number to 87. |
| Apr 16 | Kenta Maeda | Number Change | RHP Kenta Maeda changed number to 18. |
| Apr 16 | Dillon Dingler | Number Change | C Dillon Dingler changed number to 13. |
| Apr 16 | Zach McKinstry | Number Change | SS Zach McKinstry changed number to 39. |
| Apr 16 | Brant Hurter | Number Change | LHP Brant Hurter changed number to 48. |
| Apr 16 | Justyn-Henry Malloy | Number Change | LF Justyn-Henry Malloy changed number to 44. |
| Apr 16 | Brenan Hanifee | Number Change | RHP Brenan Hanifee changed number to 75. |
| Apr 16 | Colt Keith | Number Change | 2B Colt Keith changed number to 33. |
| Apr 16 | Jackson Jobe | Number Change | RHP Jackson Jobe changed number to 21. |
| Apr 16 | Gleyber Torres | Number Change | 2B Gleyber Torres changed number to 25. |
| Apr 16 | Jack Flaherty | Number Change | RHP Jack Flaherty changed number to 9. |
| Apr 16 | Trey Sweeney | Number Change | SS Trey Sweeney changed number to 27. |
| Apr 16 | Tommy Kahnle | Number Change | RHP Tommy Kahnle changed number to 43. |
| Apr 16 | John Brebbia | Number Change | RHP John Brebbia changed number to 49. |
| Apr 16 | Tomás Nido | Number Change | C Tomás Nido changed number to 58. |
| Apr 15 | Casey Mize | Number Change | RHP Casey Mize changed number to 42. |
| Apr 15 | Tarik Skubal | Number Change | LHP Tarik Skubal changed number to 42. |
| Apr 15 | Javier Báez | Number Change | SS Javier Báez changed number to 42. |
| Apr 15 | Will Vest | Number Change | RHP Will Vest changed number to 42. |
| Apr 15 | Ryan Kreidler | Number Change | SS Ryan Kreidler changed number to 42. |
| Apr 15 | Reese Olson | Number Change | RHP Reese Olson changed number to 42. |
| Apr 15 | Riley Greene | Number Change | LF Riley Greene changed number to 42. |
| Apr 15 | Beau Brieske | Number Change | RHP Beau Brieske changed number to 42. |
| Apr 15 | Spencer Torkelson | Number Change | 1B Spencer Torkelson changed number to 42. |
| Apr 15 | Andy Ibáñez | Number Change | 2B Andy Ibáñez changed number to 42. |
| Apr 15 | Tyler Holton | Number Change | LHP Tyler Holton changed number to 42. |
| Apr 15 | Kerry Carpenter | Number Change | RF Kerry Carpenter changed number to 42. |
| Apr 15 | Kenta Maeda | Number Change | RHP Kenta Maeda changed number to 42. |
| Apr 15 | Dillon Dingler | Number Change | C Dillon Dingler changed number to 42. |
| Apr 15 | Colt Keith | Number Change | 2B Colt Keith changed number to 42. |
| Apr 15 | Zach McKinstry | Number Change | SS Zach McKinstry changed number to 42. |
| Apr 15 | Brenan Hanifee | Number Change | RHP Brenan Hanifee changed number to 42. |
| Apr 15 | Justyn-Henry Malloy | Number Change | LF Justyn-Henry Malloy changed number to 42. |
| Apr 15 | Jackson Jobe | Number Change | RHP Jackson Jobe changed number to 42. |
| Apr 15 | Tommy Kahnle | Number Change | RHP Tommy Kahnle changed number to 42. |
| Apr 15 | Trey Sweeney | Number Change | SS Trey Sweeney changed number to 42. |
| Apr 15 | Brant Hurter | Number Change | LHP Brant Hurter changed number to 42. |
| Apr 15 | Gleyber Torres | Number Change | 2B Gleyber Torres changed number to 42. |
| Apr 15 | Jack Flaherty | Number Change | RHP Jack Flaherty changed number to 42. |
| Apr 15 | Tomás Nido | Number Change | C Tomás Nido changed number to 42. |
| Apr 15 | John Brebbia | Number Change | RHP John Brebbia changed number to 42. |
| Apr 11 | Gleyber Torres | Status Change | Detroit Tigers activated 2B Gleyber Torres from the 10-day injured list. |
| Apr 10 | Brewer Hicklen | Optioned | Detroit Tigers optioned RF Brewer Hicklen to Toledo Mud Hens. |
| Apr 8 | Wenceel Pérez | Status Change | Detroit Tigers transferred RF Wenceel Pérez from the 10-day injured list to the 60-day injured list. Lumbar spine inflammation. |
| Apr 8 | Jake Rogers | Status Change | Detroit Tigers placed C Jake Rogers on the 10-day injured list. Left oblique tightness. |
| Apr 8 | Tomás Nido | Selected | Detroit Tigers selected the contract of C Tomás Nido from Toledo Mud Hens. |
| Apr 8 | Manuel Margot | Status Change | Detroit Tigers placed LF Manuel Margot on the 10-day injured list. Left knee inflammation. |
| Apr 8 | Brewer Hicklen | Recalled | Detroit Tigers recalled RF Brewer Hicklen from Toledo Mud Hens. |
| Mar 31 | Gleyber Torres | Status Change | Detroit Tigers placed 2B Gleyber Torres on the 10-day injured list retroactive to March 29, 2025. Left oblique strain. |
| Mar 31 | Justyn-Henry Malloy | Recalled | Detroit Tigers recalled LF Justyn-Henry Malloy from Toledo Mud Hens. |
| Mar 28 | Brewer Hicklen | Trade | Milwaukee Brewers traded RF Brewer Hicklen to Detroit Tigers for cash. |
| Mar 28 | Ty Madden | Status Change | Detroit Tigers transferred RHP Ty Madden from the 15-day injured list to the 60-day injured list. Right shoulder strain. |
| Mar 27 | Ben Gamel | Signed as Free Agent | Detroit Tigers signed free agent RF Ben Gamel to a minor league contract. |
| Mar 27 | Ty Madden | Status Change | Detroit Tigers placed RHP Ty Madden on the 15-day injured list retroactive to March 24, 2025. Right shoulder strain. |
| Mar 27 | Wenceel Pérez | Status Change | Detroit Tigers placed RF Wenceel Pérez on the 10-day injured list retroactive to March 24, 2025. Lumbar spine inflammation. |
| Mar 27 | Alex Cobb | Status Change | Detroit Tigers placed RHP Alex Cobb on the 15-day injured list retroactive to March 24, 2025. Right hip inflammation. |
| Mar 27 | Matt Vierling | Status Change | Detroit Tigers placed CF Matt Vierling on the 10-day injured list retroactive to March 24, 2025. Right shoulder strain. |
| Mar 27 | Ryan Kreidler | Recalled | Detroit Tigers recalled SS Ryan Kreidler from Toledo Mud Hens. |
| Mar 26 | Justyn-Henry Malloy | Optioned | Detroit Tigers optioned LF Justyn-Henry Malloy to Toledo Mud Hens. |
| Mar 25 | Jason Foley | Optioned | Detroit Tigers optioned RHP Jason Foley to Toledo Mud Hens. |
| Mar 25 | Haden Erbe | Trade | Tampa Bay Rays traded RHP Haden Erbe to Detroit Tigers. |
| Mar 24 | Manuel Margot | Signed as Free Agent | Detroit Tigers signed free agent LF Manuel Margot. |
| Mar 23 | Alexis Marinez | Signed as Free Agent | Detroit Tigers signed free agent LHP Alexis Marinez to a minor league contract. |
| Mar 23 | Jose De La Cruz | Assigned | RF Jose De La Cruz assigned to Detroit Tigers. |
| Mar 23 | Woody Hadeen | Assigned | SS Woody Hadeen assigned to Detroit Tigers. |
| Mar 22 | Ryan Kreidler | Optioned | Detroit Tigers optioned SS Ryan Kreidler to Toledo Mud Hens. |
| Mar 22 | Keider Montero | Optioned | Detroit Tigers optioned RHP Keider Montero to Toledo Mud Hens. |
| Mar 21 | Alexis Marinez | Status Change | LHP Alexis Marinez roster status changed by Detroit Tigers. |
| Mar 21 | Luke Gold | Assigned | 2B Luke Gold assigned to Detroit Tigers. |
| Mar 21 | Kenny Serwa | Assigned | RHP Kenny Serwa assigned to Detroit Tigers. |
| Mar 21 | Gabriel Rosado | Assigned | C Gabriel Rosado assigned to Detroit Tigers. |
| Mar 18 | Hunter Dobbins | Assigned | C Hunter Dobbins assigned to Detroit Tigers. |
| Mar 18 | Colin Burgess | Assigned | C Colin Burgess assigned to Detroit Tigers. |
| Mar 17 | Jace Jung | Optioned | Detroit Tigers optioned 3B Jace Jung to Toledo Mud Hens. |
| Mar 17 | Sean Guenther | Optioned | Detroit Tigers optioned LHP Sean Guenther to Toledo Mud Hens. |
| Mar 15 | Carlos Marcano | Assigned | RHP Carlos Marcano assigned to Detroit Tigers. |
| Mar 15 | Rayner Castillo | Assigned | RHP Rayner Castillo assigned to Detroit Tigers. |
| Mar 15 | Jack Penney | Assigned | SS Jack Penney assigned to Detroit Tigers. |
| Mar 14 | Jude Warwick | Assigned | SS Jude Warwick assigned to Detroit Tigers. |
| Mar 13 | Bailey Horn | Optioned | Detroit Tigers optioned LHP Bailey Horn to Toledo Mud Hens. |
| Mar 13 | Bailey Horn | Trade | St. Louis Cardinals traded LHP Bailey Horn to Detroit Tigers. |
| Mar 13 | Chris Meyers | Assigned | 1B Chris Meyers assigned to Detroit Tigers. |
| Mar 13 | Joe Miller | Assigned | LHP Joe Miller assigned to Detroit Tigers. |
| Mar 11 | Enrique Jimenez | Assigned | C Enrique Jimenez assigned to Detroit Tigers. |
| Mar 11 | Brett Callahan | Assigned | LF Brett Callahan assigned to Detroit Tigers. |
| Mar 11 | Franyerber Montilla | Assigned | SS Franyerber Montilla assigned to Detroit Tigers. |
| Mar 10 | Chase Lee | Status Change | Detroit Tigers reassigned RHP Chase Lee to the minor leagues. |
| Mar 10 | Jackson Strong | Assigned | CF Jackson Strong assigned to Detroit Tigers. |
| Mar 9 | Chase Lee | Optioned | Detroit Tigers optioned RHP Chase Lee to Toledo Mud Hens. |
| Mar 9 | Tyler Owens | Optioned | Detroit Tigers optioned RHP Tyler Owens to Toledo Mud Hens. |
| Mar 9 | Tyler Mattison | Optioned | Detroit Tigers optioned RHP Tyler Mattison to Toledo Mud Hens. |
| Mar 9 | Matt Manning | Optioned | Detroit Tigers optioned RHP Matt Manning to Toledo Mud Hens. |
| Mar 8 | José Urquidy | Signed as Free Agent | Detroit Tigers signed free agent RHP José Urquidy. |
| Mar 8 | Sawyer Gipson-Long | Status Change | Detroit Tigers placed RHP Sawyer Gipson-Long on the 60-day injured list. Left hip labral repair and Tommy John surgery. |
| Mar 8 | Ricardo Hurtado | Assigned | C Ricardo Hurtado assigned to Detroit Tigers. |
| Mar 8 | Jim Jarvis | Assigned | SS Jim Jarvis assigned to Detroit Tigers. |
| Mar 7 | Josue Briceño | Assigned | 1B Josue Briceño assigned to Detroit Tigers. |
| Mar 7 | Max Clark | Assigned | CF Max Clark assigned to Detroit Tigers. |
| Mar 7 | Eduardo Valencia | Assigned | C Eduardo Valencia assigned to Detroit Tigers. |
| Mar 7 | Kevin McGonigle | Assigned | SS Kevin McGonigle assigned to Detroit Tigers. |
| Mar 5 | Jack Dunn | Status Change | 3B Jack Dunn roster status changed by Detroit Tigers. |
| Mar 5 | Jack Dunn | Signed as Free Agent | Detroit Tigers signed free agent SS Jack Dunn to a minor league contract. |
| Mar 5 | Michael Bienlien | Released | Detroit Tigers released RHP Michael Bienlien. |
| Mar 4 | Bennett Lee | Assigned | C Bennett Lee assigned to Detroit Tigers. |
| Mar 3 | Marco Jimenez | Assigned | RHP Marco Jimenez assigned to Detroit Tigers. |
| Feb 28 | Andrew Jenkins | Assigned | 1B Andrew Jenkins assigned to Detroit Tigers. |
| Feb 28 | Cam Brown | Assigned | RHP Cam Brown assigned to Detroit Tigers. |
| Feb 27 | Samuel Gil | Assigned | 2B Samuel Gil assigned to Detroit Tigers. |
| Feb 27 | Peyton Graham | Assigned | SS Peyton Graham assigned to Detroit Tigers. |
| Feb 27 | Matt Merrill | Assigned | RHP Matt Merrill assigned to Detroit Tigers. |
| Feb 27 | Izaac Pacheco | Assigned | 3B Izaac Pacheco assigned to Detroit Tigers. |
| Feb 27 | Yosber Sanchez | Assigned | RHP Yosber Sanchez assigned to Detroit Tigers. |
| Feb 27 | Nomar Fana | Assigned | CF Nomar Fana assigned to Detroit Tigers. |
| Feb 27 | Sergio Tapia | Assigned | C Sergio Tapia assigned to Detroit Tigers. |
| Feb 26 | Archer Brookman | Assigned | C Archer Brookman assigned to Detroit Tigers. |
| Feb 26 | Brady Allen | Assigned | RF Brady Allen assigned to Detroit Tigers. |
| Feb 26 | Corey Joyce | Assigned | SS Corey Joyce assigned to Detroit Tigers. |
| Feb 25 | Joe Adametz | Assigned | LHP Joe Adametz assigned to Detroit Tigers. |
| Feb 25 | Troy Watson | Assigned | RHP Troy Watson assigned to Detroit Tigers. |
| Feb 25 | Andrew Magno | Assigned | LHP Andrew Magno assigned to Detroit Tigers. |
| Feb 24 | Patrick Lee | Status Change | OF Patrick Lee roster status changed by Detroit Tigers. |
| Feb 24 | Andrew Chafin | Signed as Free Agent | Detroit Tigers signed free agent LHP Andrew Chafin to a minor league contract and invited him to spring training. |
| Feb 24 | RJ Petit | Assigned | RHP RJ Petit assigned to Detroit Tigers. |
| Feb 24 | Trevin Michael | Assigned | RHP Trevin Michael assigned to Detroit Tigers. |
| Feb 24 | Dylan Smith | Assigned | RHP Dylan Smith assigned to Detroit Tigers. |
| Feb 24 | CJ Weins | Assigned | RHP CJ Weins assigned to Detroit Tigers. |
| Feb 24 | Lael Lockhart | Assigned | LHP Lael Lockhart assigned to Detroit Tigers. |
| Feb 24 | TJ Hopkins | Assigned | CF TJ Hopkins assigned to Detroit Tigers. |
| Feb 24 | Patrick Lee | Assigned | OF Patrick Lee assigned to Detroit Tigers. |
| Feb 24 | Colin Fields | Assigned | RHP Colin Fields assigned to Detroit Tigers. |
| Feb 24 | Matt Seelinger | Assigned | RHP Matt Seelinger assigned to Detroit Tigers. |
| Feb 23 | Stephen Scott | Assigned | C Stephen Scott assigned to Detroit Tigers. |
| Feb 23 | Seth Stephenson | Assigned | CF Seth Stephenson assigned to Detroit Tigers. |
| Feb 23 | Garrett Apker | Assigned | RHP Garrett Apker assigned to Detroit Tigers. |
| Feb 23 | Roberto Campos | Assigned | OF Roberto Campos assigned to Detroit Tigers. |
| Feb 23 | Austin Murr | Assigned | LF Austin Murr assigned to Detroit Tigers. |
| Feb 23 | Carlos Peña | Assigned | LHP Carlos Pena assigned to Detroit Tigers. |
| Feb 23 | Max Anderson | Assigned | 2B Max Anderson assigned to Detroit Tigers. |
| Feb 23 | Austin Bergner | Assigned | RHP Austin Bergner assigned to Detroit Tigers. |
| Feb 23 | Tanner Kohlhepp | Assigned | RHP Tanner Kohlhepp assigned to Detroit Tigers. |
| Feb 22 | Duque Hebbert | Status Change | RHP Duque Hebbert roster status changed by Detroit Tigers. |
| Feb 22 | Ben Malgeri | Status Change | CF Ben Malgeri roster status changed by Detroit Tigers. |
| Feb 22 | Justice Bigbie | Status Change | RF Justice Bigbie roster status changed by Detroit Tigers. |
| Feb 22 | Garrett Burhenn | Status Change | RHP Garrett Burhenn roster status changed by Detroit Tigers. |
| Feb 22 | Carlos Mendoza | Status Change | 3B Carlos Mendoza roster status changed by Detroit Tigers. |
| Feb 22 | Duque Hebbert | Assigned | RHP Duque Hebbert assigned to Detroit Tigers. |
| Feb 22 | Justice Bigbie | Assigned | RF Justice Bigbie assigned to Detroit Tigers. |
| Feb 22 | Ben Malgeri | Assigned | CF Ben Malgeri assigned to Detroit Tigers. |
| Feb 22 | Jake Holton | Assigned | 1B Jake Holton assigned to Detroit Tigers. |
| Feb 22 | Garrett Burhenn | Assigned | RHP Garrett Burhenn assigned to Detroit Tigers. |
| Feb 22 | Danny Serretti | Assigned | 3B Danny Serretti assigned to Detroit Tigers. |
| Feb 22 | PJ Poulin | Assigned | LHP PJ Poulin assigned to Detroit Tigers. |
| Feb 22 | Riley Unroe | Assigned | 2B Riley Unroe assigned to Detroit Tigers. |
| Feb 22 | Michael Bienlien | Assigned | RHP Michael Bienlien assigned to Detroit Tigers. |
| Feb 22 | Carlos Mendoza | Assigned | 3B Carlos Mendoza assigned to Detroit Tigers. |
| Feb 22 | Tim Naughton | Assigned | RHP Tim Naughton assigned to Detroit Tigers. |
| Feb 21 | Omari Daniel | Signed as Free Agent | Detroit Tigers signed free agent SS Omari Daniel to a minor league contract. |
| Feb 17 | David Hensley | Signed as Free Agent | Detroit Tigers signed free agent OF David Hensley to a minor league contract. |
| Feb 16 | Jeremy Cano | Signed as Free Agent | Detroit Tigers signed free agent RHP Jeremy Cano to a minor league contract. |
| Feb 14 | Thomas Szapucki | Signed as Free Agent | Detroit Tigers signed free agent LHP Thomas Szapucki to a minor league contract. |
| Feb 12 | Alex Lange | Status Change | Detroit Tigers placed RHP Alex Lange on the 60-day injured list. |
| Feb 12 | Mason Englert | Trade | Detroit Tigers traded RHP Mason Englert to Tampa Bay Rays. |
| Feb 12 | John Brebbia | Signed as Free Agent | Detroit Tigers signed free agent RHP John Brebbia. |
| Feb 10 | Andrew Navigato | Assigned | Detroit Tigers invited non-roster SS Andrew Navigato to spring training. |
| Feb 10 | Hao-Yu Lee | Assigned | Detroit Tigers invited non-roster 2B Hao-Yu Lee to spring training. |
| Feb 10 | Thayron Liranzo | Assigned | Detroit Tigers invited non-roster C Thayron Liranzo to spring training. |
| Feb 10 | Eliezer Alfonzo | Assigned | Detroit Tigers invited non-roster C Eliezer Alfonzo to spring training. |
| Feb 8 | Yorsua Balanta | Signed as Free Agent | Detroit Tigers signed free agent LHP Yorsua Balanta to a minor league contract. |
| Feb 7 | Jack Flaherty | Status Change | Detroit Tigers activated RHP Jack Flaherty. |
| Feb 7 | Mason Englert | Designated for Assignment | Detroit Tigers designated RHP Mason Englert for assignment. |
| Feb 7 | Jack Flaherty | Signed as Free Agent | Detroit Tigers signed free agent RHP Jack Flaherty. |
| Feb 5 | Abraham Gomez | Signed as Free Agent | Detroit Tigers signed free agent RHP Abraham Gomez to a minor league contract. |
| Feb 5 | Miguel Molina | Signed as Free Agent | Detroit Tigers signed free agent Miguel Molina to a minor league contract. |
| Feb 3 | Alex Faedo | Trade | Detroit Tigers traded RHP Alex Faedo to Tampa Bay Rays for C Enderson Delgado. |
| Jan 29 | Alex Faedo | Designated for Assignment | Detroit Tigers designated RHP Alex Faedo for assignment. |
| Jan 29 | Tommy Kahnle | Signed as Free Agent | Detroit Tigers signed free agent RHP Tommy Kahnle. |
| Jan 22 | Kenny Serwa | Signed as Free Agent | Detroit Tigers signed free agent RHP Kenny Serwa to a minor league contract. |
| Jan 15 | Howard Reyes | Signed as Free Agent | Detroit Tigers signed free agent C Howard Reyes to a minor league contract. |
| Jan 15 | Enny Rodriguez | Signed as Free Agent | Detroit Tigers signed free agent SS Enny Rodriguez to a minor league contract. |
| Jan 15 | Fabian Dorta | Signed as Free Agent | Detroit Tigers signed free agent C Fabian Dorta to a minor league contract. |
| Jan 15 | Angel Roso | Signed as Free Agent | Detroit Tigers signed free agent OF Angel Roso to a minor league contract. |
| Jan 15 | Jhonger Ochoa | Signed as Free Agent | Detroit Tigers signed free agent SS Jhonger Ochoa to a minor league contract. |
| Jan 15 | Sheroky Rodriguez | Signed as Free Agent | Detroit Tigers signed free agent RHP Sheroky Rodriguez to a minor league contract. |
| Jan 15 | Jose Ramirez | Signed as Free Agent | Detroit Tigers signed free agent OF Jose Ramirez to a minor league contract. |
| Jan 15 | Sterling Bazil | Signed as Free Agent | Detroit Tigers signed free agent SS Sterling Bazil to a minor league contract. |
| Jan 15 | Angel De Los Santos | Signed as Free Agent | Detroit Tigers signed free agent SS Angel De Los Santos to a minor league contract. |
| Jan 15 | Cris Rodriguez | Signed as Free Agent | Detroit Tigers signed free agent OF Cris Rodriguez to a minor league contract. |
| Jan 15 | Anderson Diaz | Signed as Free Agent | Detroit Tigers signed free agent LHP Anderson Diaz to a minor league contract. |
| Jan 15 | Carlos Benavides | Signed as Free Agent | Detroit Tigers signed free agent C Carlos Benavides to a minor league contract. |
| Jan 14 | Carlos Martinez | Signed as Free Agent | Detroit Tigers signed free agent RHP Carlos Martinez to a minor league contract. |
| Jan 10 | Tomás Nido | Status Change | C Tomás Nido roster status changed by Detroit Tigers. |
| Jan 10 | Tomás Nido | Signed as Free Agent | Detroit Tigers signed free agent C Tomás Nido to a minor league contract. |
| Jan 9 | Bailey Horn | Claimed Off Waivers | St. Louis Cardinals claimed LHP Bailey Horn off waivers from Detroit Tigers. |
| Jan 6 | Troy Watson | Signed as Free Agent | Detroit Tigers signed free agent RHP Troy Watson to a minor league contract. |
| Jan 6 | Dietrich Enns | Signed as Free Agent | Detroit Tigers signed free agent LHP Dietrich Enns to a minor league contract. |
| Jan 3 | Matt Manning | Number Change | RHP Matt Manning changed number to 15. |