Great Lakes Loons Roster & Staff
Great Lakes Transactions
| Date | Transaction |
| 09/21/23 | Great Lakes Loons activated OF Chris Newell from the 7-day injured list. |
| 09/21/23 | Great Lakes Loons activated RHP Yon Castro from the 7-day injured list. |
| 09/21/23 | Great Lakes Loons activated C Jorge Puerta from the 7-day injured list. |
| 09/12/23 | Great Lakes Loons activated RHP Adolfo Ramirez. |
| 09/12/23 | 1B Sauryn Lao assigned to Tulsa Drillers from Great Lakes Loons. |
| 09/05/23 | Great Lakes Loons transferred RHP Adolfo Ramirez to the Development List. |
| 09/05/23 | Great Lakes Loons activated C Frank Rodriguez from the 7-day injured list. |