Great Lakes Loons Roster & Staff
Great Lakes Transactions
| Date | Transaction |
| 08/13/26 | Great Lakes Loons placed RHP Hyun-Seok Jang on the 7-day injured list retroactive to August 12, 2026. |
| 08/13/26 | Great Lakes Loons activated C Anson Aroz from the 7-day injured list. |
| 08/12/26 | Great Lakes Loons activated C Anson Aroz from the 7-day injured list. |
| 08/12/26 | RHP Will Gagnon assigned to Great Lakes Loons from Ontario Tower Buzzers. |
| 08/09/26 | Great Lakes Loons placed 3B Chase Harlan on the 7-day injured list. |
| 08/09/26 | Great Lakes Loons activated RHP Brooks Auger from the 7-day injured list. |
| 08/09/26 | Great Lakes Loons released C Chase Adkison. |
| 08/04/26 | Great Lakes Loons placed LHP Jakob Wright on the 7-day injured list. |
| 08/04/26 | Great Lakes Loons activated SS Mairoshendrick Martinus. |
| 08/04/26 | SS Mairoshendrick Martinus assigned to Great Lakes Loons from Ontario Tower Buzzers. |
| 08/04/26 | SS Logan Wagner assigned to Tulsa Drillers from Great Lakes Loons. |