Tigers Roster & Staff
Transactions
| Date | Transaction |
| 12/23/25 | Detroit Tigers signed free agent RHP Burch Smith to a minor league contract. |
| 12/20/25 | Detroit Tigers signed free agent RHP Kyle Finnegan. |
| 12/20/25 | Detroit Tigers designated RF Justyn-Henry Malloy for assignment. |
| 12/19/25 | Detroit Tigers signed free agent RHP Dylan File to a minor league contract. |
| 12/18/25 | Detroit Tigers signed free agent RHP Tyler Mattison to a minor league contract. |
| 12/17/25 | Detroit Tigers signed free agent RHP Wandisson Charles to a minor league contract. |
| 12/17/25 | Detroit Tigers signed free agent RHP Scott Effross to a minor league contract. |
| 12/17/25 | Detroit Tigers activated LHP Bailey Horn. |
| 12/17/25 | Detroit Tigers signed free agent RHP Kenley Jansen. |
| 12/16/25 | Detroit Tigers signed free agent RHP Woo-Suk Go to a minor league contract. |
| 12/16/25 | Detroit Tigers signed free agent LHP Sean Guenther to a minor league contract. |
| 12/16/25 | Detroit Tigers signed free agent RHP Cole Waites to a minor league contract. |
| 12/16/25 | Detroit Tigers signed free agent RHP Drew Anderson. |
| 12/16/25 | Detroit Tigers signed free agent RHP Jack Little to a minor league contract. |
| 12/15/25 | Detroit Tigers signed free agent LHP Enmanuel De Jesus to a minor league contract. |
| 12/15/25 | Detroit Tigers signed free agent RHP Dugan Darnell to a minor league contract. |
| 12/13/25 | Detroit Tigers signed free agent RHP Inohan Paniagua to a minor league contract. |
| 12/12/25 | Detroit Tigers signed free agent LHP Carlos Peña to a minor league contract. |
| 12/12/25 | Detroit Tigers traded RHP Chase Lee to Toronto Blue Jays for LHP Johan Simon. |
| 12/12/25 | Detroit Tigers traded RHP Chase Lee to Toronto Blue Jays for LHP Johan Simon. |
| 12/10/25 | Atlanta Braves purchased contract of C Archer Brookman in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Toronto Blue Jays purchased contract of RHP Travis Kuhn in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Colorado Rockies purchased contract of RHP RJ Petit in the Rule 5 Draft. |
| 12/10/25 | Arizona Diamondbacks purchased contract of 3B Danny Serretti in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Philadelphia Phillies purchased contract of LF Austin Murr in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Detroit Tigers purchased contract of RHP Yendy Gomez in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Detroit Tigers purchased contract of RHP Jan Caraballo in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Detroit Tigers purchased contract of RHP Luke Taggart in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Detroit Tigers purchased contract of RHP John Stankiewicz in the Rule 5 Draft, AAA Phase. |