| Player | Team | Action | Details | |
|---|---|---|---|---|
| Wilmer Flores | Purple Cobras | ADD | to MLB | 11:35 pm, 7/31/20 |
| Austin Slater | Purple Cobras | ADD | to MLB | 8:23 pm, 7/31/20 |
| James McCann | Purple Cobras | ADD | to MLB | 3:43 pm, 7/31/20 |
| Justin Smoak | Cowboys From Hell | ADD | to MLB | 9:16 am, 7/31/20 |
| Anthony Bass | Cowboys From Hell | ADD | to MLB | 9:15 am, 7/31/20 |
| Teoscar Hernandez | Cowboys From Hell | ADD | to MLB | 9:14 am, 7/31/20 |
| Alex Dickerson | Purple Cobras | ADD | to MLB | 9:12 am, 7/31/20 |
| Trevor Rosenthal | Shaolin Schmeckles | ADD | to MLB | 10:24 pm, 7/30/20 |
| Thomas Szapucki | Supreme Clientele | ADD | to AAA | 12:34 pm, 7/30/20 |
| Shaun Anderson | Bullet Club | ADD | to AAA | 11:44 am, 7/30/20 |
| JaCoby Jones | The Red Barons | ADD | to MLB | 11:32 am, 7/30/20 |
| Alex Cobb | The Red Barons | ADD | to MLB | 10:45 pm, 7/29/20 |
| Jarren Duran | Chinballs | ADD | to MLB | 6:31 pm, 7/29/20 |
| Chris Taylor | Shaolin Schmeckles | ADD | to MLB | 4:40 pm, 7/29/20 |
| Sergio Romo | Bullet Club | ADD | to MLB | 11:42 pm, 7/28/20 |
| Enrique Hernandez | Shaolin Schmeckles | ADD | to MLB | 6:35 pm, 7/28/20 |
| Bradley Zimmer | Bullet Club | ADD | to MLB | 5:26 pm, 7/28/20 |
| Leury Garcia | Shaolin Schmeckles | ADD | to MLB | 1:57 pm, 7/28/20 |
| Kyle Zimmer | Supreme Clientele | ADD | to AAA | 12:54 pm, 7/28/20 |
| Victor Caratini | Purple Cobras | ADD | to MLB | 11:10 am, 7/28/20 |
| Jeremy Jeffress | Purple Cobras | ADD | to MLB | 10:23 am, 7/28/20 |
| Thomas Szapucki | Chinballs | ADD | to AA | 12:24 pm, 7/27/20 |
| Matt Andriese | Purple Cobras | ADD | to MLB | 7:19 am, 7/27/20 |
| David Fletcher | Purple Cobras | ADD | to MLB | 6:51 am, 7/27/20 |
| Ji-Man Choi | Purple Cobras | ADD | to MLB | 6:49 am, 7/27/20 |