| Player | Team | Action | Details | |
|---|---|---|---|---|
| Chad Pinder | Chinballs | ADD | to MLB | 1:49 pm, 5/3/18 |
| Trent Deveaux | The Red Barons | ADD | to A | 11:46 am, 5/3/18 |
| Adam Wainwright | The Red Barons | ADD | to MLB | 11:44 am, 5/3/18 |
| Mike Soroka | Scranton Yankees | ADD | to MLB | 10:55 am, 5/3/18 |
| Mitch Moreland | Scranton Yankees | ADD | to MLB | 11:08 pm, 5/2/18 |
| Chris Tillman | Hill Valley Preservation Society | ADD | to MLB | 10:43 pm, 5/2/18 |
| Juan Nicasio | The Bluth Company | ADD | to MLB | 9:38 pm, 5/2/18 |
| Daniel Descalso | Bridge Four | ADD | to MLB | 6:06 pm, 5/2/18 |
| Gavin Lux | Jon Voight's Car | ADD | to AA | 5:57 pm, 5/2/18 |
| Hector Velazquez | Bridge Four | ADD | to MLB | 3:09 pm, 5/2/18 |
| Pedro Alvarez | Bridge Four | ADD | to MLB | 3:06 pm, 5/2/18 |
| Doug Fister | Geckos | ADD | to MLB | 10:01 am, 5/2/18 |
| Adam Plutko | Purple Cobras | ADD | to MLB | 8:57 am, 5/2/18 |
| Kirby Yates | Hill Valley Preservation Society | ADD | to MLB | 7:08 am, 5/2/18 |
| Evan Gattis | The Bluth Company | ADD | to MLB | 3:01 am, 5/2/18 |
| Domingo German | The Bluth Company | ADD | to AAA | 3:01 am, 5/2/18 |
| Justin Anderson | The Bluth Company | ADD | to AAA | 8:18 pm, 5/1/18 |
| Blake Parker | Hill Valley Preservation Society | ADD | to MLB | 7:12 pm, 5/1/18 |
| Cam Bedrosian | The Bluth Company | ADD | to MLB | 6:54 pm, 5/1/18 |
| Ryan Castellani | Scranton Yankees | ADD | to AAA | 3:01 pm, 5/1/18 |
| Kurt Suzuki | The Bluth Company | ADD | to MLB | 10:58 am, 5/1/18 |
| Jhoulys Chacin | Cowboys From Hell | ADD | to MLB | 9:25 am, 5/1/18 |
| Roman Quinn | The Red Barons | ADD | to MLB | 9:54 pm, 4/30/18 |
| Reggie Lawson | Chinballs | ADD | to AA | 6:23 pm, 4/30/18 |
| Denard Span | Geckos | ADD | to MLB | 5:59 pm, 4/30/18 |