| Trans Num | Date | Details |
| 1975.13 | 2021-02-28 | Oscar Gamblers trade Pat Dobson, Rawly Eastwick, and Lee May to the Cooperstown Giants for Mike Caldwell, Pablo Torrealba, and AMI 1976 #1. |
| 1971.12 | 2017-12-14 | Cooperstown trades Steve Carlton, Wes Parker, and Larry Howard to Oscar for Rollie Fingers, Bill Buckner, and Mike Caldwell. |