Tigers Roster & Staff
Transactions
| Date | Transaction |
| 11/26/25 | RHP Tanner Rainey roster status changed by Detroit Tigers. |
| 11/26/25 | Detroit Tigers signed free agent RHP Tanner Rainey to a minor league contract and invited him to spring training. |
| 11/26/25 | Detroit Tigers signed free agent RHP Tanner Rainey to a minor league contract. |
| 11/22/25 | Detroit Tigers signed free agent RHP Jose Uribe to a minor league contract. |
| 11/21/25 | RHP Tyler Mattison elected free agency. |
| 11/21/25 | RHP Tanner Rainey elected free agency. |
| 11/21/25 | RHP Jack Little elected free agency. |
| 11/21/25 | RHP Jason Foley elected free agency. |
| 11/21/25 | LHP Sean Guenther elected free agency. |
| 11/21/25 | 3B Andy Ibáñez elected free agency. |
| 11/21/25 | RHP Dugan Darnell elected free agency. |
| 11/18/25 | Detroit Tigers designated RHP Jack Little for assignment. |
| 11/18/25 | Detroit Tigers signed free agent 2B Gleyber Torres. |
| 11/18/25 | Detroit Tigers designated RHP Tanner Rainey for assignment. |
| 11/18/25 | Detroit Tigers designated RHP Dugan Darnell for assignment. |
| 11/18/25 | Detroit Tigers designated LHP Sean Guenther for assignment. |
| 11/18/25 | Detroit Tigers designated RHP Tyler Mattison for assignment. |
| 11/18/25 | Detroit Tigers released RHP Alex Lange. |
| 11/18/25 | Detroit Tigers designated RHP Jason Foley for assignment. |
| 11/18/25 | Detroit Tigers selected the contract of CF Trei Cruz from Toledo Mud Hens. |
| 11/18/25 | Detroit Tigers selected the contract of C Eduardo Valencia from Toledo Mud Hens. |
| 11/18/25 | Detroit Tigers selected the contract of C Thayron Liranzo from Erie SeaWolves. |
| 11/18/25 | Detroit Tigers selected the contract of 2B Hao-Yu Lee from Toledo Mud Hens. |
| 11/18/25 | Detroit Tigers selected the contract of LHP Jake Miller from Erie SeaWolves. |
| 11/12/25 | Detroit Tigers designated RHP Alex Lange for assignment. |
| 11/12/25 | Detroit Tigers claimed RHP Dugan Darnell off waivers from Pittsburgh Pirates. |
| 11/06/25 | Detroit Tigers activated RHP Jason Foley from the 60-day injured list. |
| 11/06/25 | RHP Paul Sewald elected free agency. |
| 11/06/25 | Detroit Tigers activated RHP Reese Olson from the 60-day injured list. |
| 11/06/25 | RHP José Urquidy elected free agency. |
| 11/06/25 | Detroit Tigers activated RHP Jackson Jobe from the 60-day injured list. |
| 11/06/25 | Detroit Tigers activated LHP Sean Guenther from the 60-day injured list. |
| 11/06/25 | Detroit Tigers activated RHP Ty Madden from the 60-day injured list. |
| 11/06/25 | Detroit Tigers activated RHP Beau Brieske from the 60-day injured list. |
| 11/06/25 | Detroit Tigers claimed RHP Jack Little off waivers from Pittsburgh Pirates. |
| 11/02/25 | 2B Gleyber Torres elected free agency. |
| 11/02/25 | RHP Chris Paddack elected free agency. |
| 11/02/25 | RHP Tommy Kahnle elected free agency. |
| 11/02/25 | RHP Kyle Finnegan elected free agency. |
| 11/02/25 | RHP Rafael Montero elected free agency. |
| 11/02/25 | RHP Alex Cobb elected free agency. |