| Trans Num | Date | Details |
| 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. |
| 1913.11 | 2022-04-09 | Cooperstown Giants trade Chief Johnson, Hans Lobert, and COO 1914 #2 to the Holyoke Purple Knights for Rube Marquard, Possum Whitted, and HOL 1914 #3. |