| 2/22/18 |
RHP Anthony Castro assigned to Detroit Tigers. |
| 2/22/18 |
RHP Jeff Thompson assigned to Detroit Tigers. |
| 2/22/18 |
LHP Tyler Alexander assigned to Detroit Tigers. |
| 2/22/18 |
RHP Fernando Perez assigned to Detroit Tigers. |
| 2/23/18 |
RHP Phillippe Aumont assigned to Detroit Tigers. |
| 2/23/18 |
LHP Austin Sodders assigned to Detroit Tigers. |
| 2/23/18 |
LHP Eudis Idrogo assigned to Detroit Tigers. |
| 2/23/18 |
RHP John Schreiber assigned to Detroit Tigers. |
| 2/23/18 |
Detroit Tigers designated LHP Jairo Labourt for assignment. |
| 2/23/18 |
Detroit Tigers signed free agent LHP Francisco Liriano. |
| 2/23/18 |
Detroit Tigers signed free agent RHP Louis Coleman to a minor league contract. |
| 2/24/18 |
RHP Alfred Gutierrez assigned to Detroit Tigers. |
| 2/24/18 |
RHP Zac Houston assigned to Detroit Tigers. |
| 2/24/18 |
RHP Matt West assigned to Detroit Tigers. |
| 2/24/18 |
LHP Matt Hall assigned to Detroit Tigers. |
| 2/24/18 |
RHP Dane Myers assigned to Detroit Tigers. |
| 2/24/18 |
Detroit Tigers signed free agent RHP Johan Lopez to a minor league contract. |
| 2/25/18 |
RHP Elvin Rodriguez assigned to Detroit Tigers. |
| 2/25/18 |
CF Troy Montgomery assigned to Detroit Tigers. |
| 2/25/18 |
CF Jake Robson assigned to Detroit Tigers. |
| 2/25/18 |
RHP Adam Ravenelle assigned to Detroit Tigers. |
| 2/25/18 |
SS A.J. Simcox assigned to Detroit Tigers. |
| 2/25/18 |
OF Daz Cameron assigned to Detroit Tigers. |
| 2/25/18 |
SS Danny Pinero assigned to Detroit Tigers. |
| 2/25/18 |
LF Cam Gibson assigned to Detroit Tigers. |
| 2/25/18 |
C Drew Longley assigned to Detroit Tigers. |
| 2/25/18 |
OF Christin Stewart assigned to Detroit Tigers. |
| 2/25/18 |
C Austin Athmann assigned to Detroit Tigers. |
| 2/25/18 |
RHP Kyle Funkhouser assigned to Detroit Tigers. |
| 2/25/18 |
RHP Billy Lescher assigned to Detroit Tigers. |
| 2/25/18 |
2B Anthony Pereira assigned to Detroit Tigers. |
| 2/27/18 |
IF Alexis Garcia assigned to Detroit Tigers. |
| 2/28/18 |
Detroit Tigers signed free agent RHP Maiker Galea to a minor league contract. |
