| Trans Num | Date | Details |
| 1958.1 | 2025-02-23 | Holyoke Purple Knights trade Harvey Haddix and Jackie Jensen to the Cooperstown Giants for HOL 1958 #3 and COO 1958 #5. |
| 1957.2 | 2024-08-14 | Holyoke Purple Knights trade Brooks Lawrence, Carl Furillo, Frank Robinson, Ozzie Virgil, HOL 1958 #3, and HOL 1958 #4 to the Cooperstown Giants for Bill Tuttle, Brooks Robinson, Harvey Haddix, Steve Bilko, and COO 1958 #1. |