| Player | Team | Action | Details | |
|---|---|---|---|---|
| Bailey Falter | Purple Cobras | ADD | to AAA | 1:21 pm, 6/5/21 |
| Willi Castro | Purple Cobras | ADD | to AAA | 5:48 am, 6/5/21 |
| Scott Barlow | Purple Cobras | ADD | to MLB | 4:37 am, 6/5/21 |
| D.J. Herz | The Bluth Company | ADD | to A | 7:25 pm, 6/4/21 |
| Niko Goodrum | Shaolin Schmeckles | ADD | to MLB | 6:53 pm, 6/4/21 |
| Seth Brown | Shaolin Schmeckles | ADD | to MLB | 9:25 am, 6/4/21 |
| Eury Perez | The Bluth Company | ADD | to A | 11:03 pm, 6/3/21 |
| Gilberto Celestino | Shaolin Schmeckles | ADD | to AA | 9:19 pm, 6/3/21 |
| Matt Beaty | Purple Cobras | ADD | to MLB | 6:55 pm, 6/3/21 |
| Wilmer Flores | Shaolin Schmeckles | ADD | to MLB | 6:38 pm, 6/3/21 |
| Billy Hamilton | Bullet Club | ADD | to MLB | 3:07 pm, 6/3/21 |
| Harold Ramirez | The Bluth Company | ADD | to MLB | 8:31 am, 6/3/21 |
| Luis Frias | Purple Cobras | ADD | to AA | 7:29 am, 6/3/21 |
| Willians Astudillo | Shaolin Schmeckles | ADD | to MLB | 6:46 pm, 6/2/21 |
| Ryan Jeffers | Geckos | ADD | to AAA | 6:13 pm, 6/2/21 |
| Jorge Alfaro | Geckos | ADD | to MLB | 5:50 pm, 6/2/21 |
| Matt Beaty | Purple Cobras | ADD | to MLB | 5:06 pm, 6/2/21 |
| Kyle Bradish | The Red Barons | ADD | to AA | 12:28 pm, 6/2/21 |
| Jhonkensy Noel | The Bluth Company | ADD | to A | 9:52 am, 6/2/21 |
| Korry Howell | The Bluth Company | ADD | to AA | 9:51 am, 6/2/21 |
| J.C. Mejia | The Red Barons | ADD | to MLB | 6:29 am, 6/2/21 |
| Cole Sulser | Shaolin Schmeckles | ADD | to MLB | 10:45 pm, 6/1/21 |
| Patrick Wisdom | Shaolin Schmeckles | ADD | to MLB | 6:18 pm, 6/1/21 |
| Yan Gomes | Purple Cobras | ADD | to MLB | 5:44 pm, 6/1/21 |
| Ryan Zimmerman | Chinballs | ADD | to MLB | 5:18 pm, 6/1/21 |