| Player | Team | Action | Details | |
|---|---|---|---|---|
| Odubel Herrera | Cowboys From Hell | ADD | to MLB | 10:34 am, 8/22/21 |
| Drey Jameson | Cowboys From Hell | ADD | to AA | 8:13 am, 8/21/21 |
| Dillon Peters | Shaolin Schmeckles | ADD | to MLB | 3:12 am, 8/21/21 |
| Yasel Antuna | The Red Barons | ADD | to AA | 11:03 pm, 8/20/21 |
| Lars Nootbaar | Cowboys From Hell | ADD | to MLB | 9:10 pm, 8/20/21 |
| Dillon Peters | Shaolin Schmeckles | ADD | to MLB | 12:14 pm, 8/20/21 |
| Curtis Mead | Purple Cobras | ADD | to A | 12:03 pm, 8/20/21 |
| Cesar Hernandez | Ye Olde Tom Toolshed | ADD | to MLB | 9:42 am, 8/20/21 |
| Ezequiel Tovar | Purple Cobras | ADD | to A | 9:26 am, 8/20/21 |
| Andrew Velazquez | Shaolin Schmeckles | ADD | to MLB | 5:54 pm, 8/19/21 |
| Yohel Pozo | Ye Olde Tom Toolshed | ADD | to MLB | 2:25 pm, 8/19/21 |
| Adam Oller | Purple Cobras | ADD | to AAA | 2:21 pm, 8/19/21 |
| Mitchell White | The Bluth Company | ADD | to AAA | 8:42 am, 8/19/21 |
| Jacob Brentz | Shaolin Schmeckles | ADD | to MLB | 3:23 am, 8/19/21 |
| Kevin Smith | The Bluth Company | ADD | to AAA | 11:55 pm, 8/17/21 |
| Joey Estes | Shaolin Schmeckles | ADD | to A | 11:01 pm, 8/17/21 |
| Tyler Gilbert | Shaolin Schmeckles | ADD | to MLB | 11:00 pm, 8/17/21 |
| Peyton Battenfield | Purple Cobras | ADD | to AA | 10:58 pm, 8/17/21 |
| Eli Morgan | The Bluth Company | ADD | to AAA | 9:15 pm, 8/17/21 |
| Kody Hoese | The Red Barons | ADD | to AA | 8:10 pm, 8/17/21 |
| Yasel Antuna | The Red Barons | ADD | to AA | 6:42 pm, 8/17/21 |
| Brent Suter | The Red Barons | ADD | to MLB | 6:38 pm, 8/17/21 |
| Corey Knebel | Shaolin Schmeckles | ADD | to MLB | 6:21 pm, 8/17/21 |
| Colt Keith | Jon Voight's Car | ADD | to AAA | 6:11 pm, 8/17/21 |
| Griffin Conine | Shaolin Schmeckles | ADD | to AAA | 7:58 pm, 8/16/21 |