| Trans Num | Date | Details |
| 1928.1 | 2024-04-25 | Mannheim Steamrollers trade Jumbo Elliott to the Cooperstown Giants for Joe Dugan and COO 1928 #4. |
| 1921.1 | 2023-05-16 | Holyoke Purple Knights trade Bill Killefer, Clarence Mitchell, Joe Dugan, Ray Grimes, and HOL 1921 #2 to the Cooperstown Giants for Ernie Krueger, Ivy Olson, Jake Daubert, Possum Whitted, and COO 1921 #1. |
| 1920.7 | 2023-04-01 | Alamo Defenders trade Joe Dugan to the Holyoke Purple Knights for Tom Zachary. |