| Trans Num | Date | Details |
| 1920.2 | 2020-07-08 | Boston Beaneaters trade BOS 1920 #2 to the Alamagordo Aliens for Al Mamaux and Mule Watson. |
| 1919.7 | 2019-12-15 | Pittsburgh trades Leon Cadore, Al Mamaux, and Nemo Leibold to Alamagordo for Hooks Dauss, Dana Fillingim, and Frank Welch. |