| Trans Num | Date | Details |
| 1944.4 | 2026-03-07 | Superior Wildcats trade Nels Potter and SUP 1945 #1 to the Holyoke Purple Knights for Mickey Haefner, Rudy York, and HOL 1945 #2. |
| 1943.6 | 2026-01-25 | Superior Wildcats trade Ron Northey to the Holyoke Purple Knights for Johnny Hopp and Nels Potter. |
| 1937.1 | 2025-05-19 | Holyoke Purple Knights trade Lefty Gomez, Red Rolfe, COO 1937 #1, COO 1937 #2, and HOL 1938 #2 to the Homestead Grays for Frank McCormick, Nels Potter, Sammy West, HOM 1937 #1, and HOM 1938 #1. |