| Player | Team | Action | Details | |
|---|---|---|---|---|
| Mitchell White | The Bluth Company | ADD | to AAA | 9:43 am, 9/7/21 |
| Ryne Nelson | Supreme Clientele | ADD | to AAA | 10:43 am, 9/6/21 |
| Drew Smyly | Supreme Clientele | ADD | to MLB | 10:41 am, 9/6/21 |
| Zac Lowther | The Red Barons | ADD | to MLB | 9:58 am, 9/6/21 |
| Thairo Estrada | The Bluth Company | ADD | to AAA | 8:12 pm, 9/5/21 |
| Austin Hays | Purple Cobras | ADD | to MLB | 7:34 pm, 9/5/21 |
| Janson Junk | The Bluth Company | ADD | to AAA | 10:22 am, 9/5/21 |
| Lorenzo Cain | Purple Cobras | ADD | to MLB | 5:36 am, 9/5/21 |
| Lane Thomas | Bullet Club | ADD | to MLB | 7:18 pm, 9/4/21 |
| Rowan Wick | Purple Cobras | ADD | to MLB | 8:57 am, 9/4/21 |
| Taylor Motter | Shaolin Schmeckles | ADD | to MLB | 5:19 pm, 9/3/21 |
| Dallas Keuchel | Bullet Club | ADD | to MLB | 7:01 am, 9/3/21 |
| Jose Siri | Bullet Club | ADD | to AAA | 5:59 am, 9/3/21 |
| Joey Wendle | Purple Cobras | ADD | to MLB | 3:52 am, 9/3/21 |
| Jose Suarez | The Bluth Company | ADD | to AAA | 6:47 pm, 9/2/21 |
| Hector Neris | Undead Rabbits | ADD | to MLB | 5:51 pm, 9/2/21 |
| Jorge Alfaro | Bullet Club | ADD | to MLB | 4:24 pm, 9/2/21 |
| Trevor Stephan | Ye Olde Tom Toolshed | ADD | to MLB | 2:25 pm, 9/2/21 |
| Paolo Espino | Ye Olde Tom Toolshed | ADD | to MLB | 2:25 pm, 9/2/21 |
| Jalen Beeks | The Red Barons | ADD | to MLB | 9:36 am, 9/2/21 |
| Yu Chang | Cowboys From Hell | ADD | to MLB | 8:50 am, 9/2/21 |
| Josh Harrison | Purple Cobras | ADD | to MLB | 8:16 am, 9/2/21 |
| Gavin Sheets | The Bluth Company | ADD | to AAA | 11:46 pm, 9/1/21 |
| Jake Junis | Bullet Club | ADD | to MLB | 2:29 pm, 9/1/21 |
| Pedro Severino | The Red Barons | ADD | to MLB | 12:05 pm, 9/1/21 |