| Trans Num | Date | Details |
| 1979.9 | 2023-02-19 | Wolf Creek Outlaws trade Dickie Thon to the Cooperstown Giants for Carl Yastrzemski and Rich Dauer. |
| 1971.9 | 2017-09-13 | Tokeneke trades Carl Yastrzemski and TOK 1972 #2 to Cooperstown for Willie Mays and Clyde Wright. |
| 1970.5 | 2017-06-26 | Tokeneke trades Tony Conigliaro, Gary Nolan, and TOK 1971 #1 to Cascade for Carl Yastrzemski and Larry Dierker. |