Great Lakes Loons Roster & Staff
Great Lakes Transactions
| Date | Transaction |
| 09/06/26 | Great Lakes Loons placed RHP Davis Chastain on the 7-day injured list retroactive to September 5, 2026. |
| 09/06/26 | Great Lakes Loons activated RHP Hyun-Seok Jang from the 7-day injured list. |
| 09/02/26 | Great Lakes Loons activated RHP Alex Makarewich from the 7-day injured list. |
| 09/02/26 | Great Lakes Loons transferred RHP Reynaldo Yean to the Development List. |