| Trans Num | Date | Details |
| 1943.6 | 2026-01-25 | Superior Wildcats trade Ron Northey to the Holyoke Purple Knights for Johnny Hopp and Nels Potter. |
| 1942.2 | 2025-12-14 | Holyoke Purple Knights trade Joe Dobson and HOL 1942 #1 to the Fritz Friendly Felines for Johnny Hopp, COO 1942 #1, and FFF 1942 #1. |
| 1941.6 | 2025-11-08 | Cooperstown Giants trade Gabby Hartnett and Johnny Hopp to the Fritz Friendly Felines for Hank Leiber and Rip Sewell. |