| Trans Num | Date | Details |
| 1919.1 | 2019-04-13 | Pittsburgh trades Red Smith, Chick Fewster, and Speed Martin to Long Beach for Nemo Leibold, Les Nunamaker, and Paul Carter. |
| 1919.7 | 2019-12-15 | Pittsburgh trades Leon Cadore, Al Mamaux, and Nemo Leibold to Alamagordo for Hooks Dauss, Dana Fillingim, and Frank Welch. |