| Trans Num | Date | Details |
| 1943.15 | 2026-02-16 | Holyoke Purple Knights trade Babe Dahlgren, Claude Passeau, Dixie Walker, and Whitey Kurowski to the Homestead Grays for Charlie Keller, George Caster, Joe Cronin, and Rudy York. |
| 1942.11 | 2026-01-07 | Holyoke Purple Knights trade Charlie Keller and Jimmy Bloodworth to the Homestead Grays for Bill Zuber, Virgil Trucks, and HOM 1943 #1. |
| 1942.6 | 2025-12-19 | Holyoke Purple Knights trade Johnny Niggeling, Ron Northey, and HOL 1943 #2 to the Superior Wildcats for Charlie Keller. |