Great Lakes Loons Roster & Staff
Great Lakes Transactions
| Date | Transaction |
| 04/26/26 | LHP Myles Caba assigned to Tulsa Drillers from Great Lakes Loons. |
| 04/25/26 | Great Lakes Loons placed RHP Joseilyn Gonzalez on the 7-day injured list. |
| 04/25/26 | RHP Accimias Morales assigned to Great Lakes Loons from Ontario Tower Buzzers. |
| 04/25/26 | RHP Christian Ruebeck assigned to Tulsa Drillers from Great Lakes Loons. |
| 04/23/26 | Great Lakes Loons activated RHP Brooks Auger from the 7-day injured list. |
| 04/20/26 | Great Lakes Loons placed RHP Nicolas Cruz on the 7-day injured list. |
| 04/03/26 | SS Eduardo Guerrero assigned to Great Lakes Loons. |
| 04/02/26 | Great Lakes Loons placed C Gio Cueto on the 7-day injured list. |
| 04/02/26 | Great Lakes Loons placed RHP Christian Ruebeck on the 7-day injured list. |
| 04/02/26 | Great Lakes Loons placed SS Jordan Thompson on the 7-day injured list. |
| 04/02/26 | Great Lakes Loons placed RHP Ryan Brown on the 7-day injured list. |
| 04/02/26 | Great Lakes Loons placed RHP Brooks Auger on the 7-day injured list. |
| 04/02/26 | Great Lakes Loons placed SS Sam Mongelli on the 7-day injured list. |