Great Lakes Loons Roster & Staff
Great Lakes Transactions
| Date | Transaction |
| 07/30/23 | Great Lakes Loons placed RHP Yon Castro on the 7-day injured list. |
| 07/29/23 | Great Lakes Loons activated C Max Hewitt. |
| 07/26/23 | Great Lakes Loons transferred C Max Hewitt to the Development List. |
| 07/26/23 | Great Lakes Loons activated C Yeiner Fernandez from the 7-day injured list. |
| 07/25/23 | Great Lakes Loons activated SS Alex Freeland from the 7-day injured list. |
| 07/22/23 | Great Lakes Loons activated RHP Hyun-il Choi from the 7-day injured list. |
| 07/18/23 | Great Lakes Loons placed SS Alex Freeland on the 7-day injured list. |
| 07/18/23 | SS Kenneth Betancourt assigned to Great Lakes Loons from Rancho Cucamonga Quakes. |
| 07/14/23 | Great Lakes Loons transferred OF Yunior Garcia from the 7-day injured list to the 60-day injured list. |
| 07/08/23 | Great Lakes Loons activated RHP Yon Castro from the 7-day injured list. |
| 07/04/23 | RHP Orlando Ortiz-Mayr assigned to Tulsa Drillers from Great Lakes Loons. |
| 07/04/23 | RHP Orlando Ortiz-Mayr assigned to Tulsa Drillers from Great Lakes Loons. |
| 07/03/23 | Great Lakes Loons placed RHP Hyun-il Choi on the 7-day injured list. |
| 07/01/23 | RHP Robbie Peto assigned to Tulsa Drillers from Great Lakes Loons. |
| 07/01/23 | RHP Lucas Wepf assigned to Great Lakes Loons from Rancho Cucamonga Quakes. |
| 07/01/23 | RHP Robbie Peto assigned to Tulsa Drillers from Great Lakes Loons. |