West Michigan Whitecaps Roster & Staff
West Michigan Transactions
| Date | Transaction |
| 08/25/26 | SS John Peck assigned to Toledo Mud Hens from West Michigan Whitecaps. |
| 08/22/26 | C Clayton Campbell assigned to Erie SeaWolves from West Michigan Whitecaps. |
| 08/20/26 | West Michigan Whitecaps placed RHP Brady Smith on the 7-day injured list. |
| 08/20/26 | RHP Donye Evans assigned to West Michigan Whitecaps from Lakeland Flying Tigers. |
| 08/18/26 | Toledo Mud Hens sent SS John Peck on a rehab assignment to West Michigan Whitecaps. |
| 08/11/26 | West Michigan Whitecaps placed LHP Kash Mayfield on the 7-day injured list. |
| 08/11/26 | West Michigan Whitecaps activated OF Nolan McCarthy from the 7-day injured list. |
| 08/11/26 | SS Woody Hadeen assigned to Erie SeaWolves from West Michigan Whitecaps. |
| 08/11/26 | RF Roberto Campos assigned to Erie SeaWolves from West Michigan Whitecaps. |
| 08/11/26 | RHP Maddox Long assigned to West Michigan Whitecaps from Lakeland Flying Tigers. |
| 08/11/26 | C Luke Shliger assigned to Erie SeaWolves from West Michigan Whitecaps. |
| 08/11/26 | RHP Lucas Elissalt assigned to Erie SeaWolves from West Michigan Whitecaps. |
| 08/11/26 | OF Stephen Hrustich assigned to West Michigan Whitecaps from Erie SeaWolves. |
| 08/11/26 | RHP Luke Hoskins assigned to West Michigan Whitecaps from Lakeland Flying Tigers. |
| 08/11/26 | 3B Carson Rucker assigned to West Michigan Whitecaps from Lakeland Flying Tigers. |
| 08/07/26 | West Michigan Whitecaps activated RF Roberto Campos from the 7-day injured list. |
| 08/06/26 | West Michigan Whitecaps released RHP Carlos Lequerica. |
| 08/04/26 | West Michigan Whitecaps placed RHP Carlos Marcano on the full-season injured list. |
| 08/04/26 | West Michigan Whitecaps activated OF Andrew Sojka. |
| 08/04/26 | West Michigan Whitecaps activated LHP Kash Mayfield. |
| 08/04/26 | OF Andrew Sojka assigned to West Michigan Whitecaps from Erie SeaWolves. |
| 08/03/26 | LHP Kash Mayfield roster status changed by West Michigan Whitecaps. |
| 08/03/26 | LHP Kash Mayfield assigned to West Michigan Whitecaps. |
| 08/03/26 | West Michigan Whitecaps released OF Caleb Shpur. |
| 08/02/26 | LHP Jojo Ingrassia assigned to West Michigan Whitecaps. |
| 08/02/26 | RHP Brady Smith assigned to West Michigan Whitecaps. |
| 08/02/26 | West Michigan Whitecaps activated LHP Jojo Ingrassia. |
| 08/02/26 | Detroit Tigers sent RHP Jackson Jobe on a rehab assignment to West Michigan Whitecaps. |
| 08/01/26 | West Michigan Whitecaps released RHP Thomas Bruss. |
| 08/01/26 | Erie SeaWolves sent RHP Moises Rodriguez on a rehab assignment to West Michigan Whitecaps. |
| 08/01/26 | West Michigan Whitecaps released RHP CJ Weins. |