| Player | Team | Action | Details | |
|---|---|---|---|---|
| Jason Hammel | Nixon's Nasty Ninjas | ADD | to MLB | 12:43 am, 4/19/18 |
| Jose Suarez | The Bluth Company | ADD | to AA | 8:44 pm, 4/18/18 |
| Lucas Sims | Supreme Clientele | ADD | to AAA | 6:39 pm, 4/18/18 |
| Dennis Santana | Purple Cobras | ADD | to AA | 4:02 pm, 4/18/18 |
| Trent Deveaux | The Red Barons | ADD | to A | 4:01 pm, 4/18/18 |
| Will Benson | The Bluth Company | ADD | to A | 2:19 pm, 4/18/18 |
| Justin Dunn | Supreme Clientele | ADD | to A | 2:06 pm, 4/18/18 |
| Mac Williamson | The Bluth Company | ADD | to AAA | 10:52 am, 4/18/18 |
| Curtis Granderson | Geckos | ADD | to MLB | 10:28 am, 4/18/18 |
| Anibal Sanchez | Dead Rabbits | ADD | to MLB | 9:35 am, 4/18/18 |
| Jackie Bradley Jr | Purple Cobras | ADD | to MLB | 6:33 am, 4/18/18 |
| Howie Kendrick | Purple Cobras | ADD | to MLB | 6:33 am, 4/18/18 |
| Tony Watson | Kimble's Kids | ADD | to MLB | 5:59 pm, 4/17/18 |
| Leonys Martin | Purple Cobras | ADD | to MLB | 5:35 pm, 4/17/18 |
| Yonny Chirinos | Ye Olde Tom Toolshed | ADD | to MLB | 1:00 pm, 4/17/18 |
| Corbin Martin | The Bluth Company | ADD | to AA | 12:57 pm, 4/17/18 |
| Daniel Descalso | Geckos | ADD | to MLB | 11:25 am, 4/17/18 |
| Bartolo Colon | Ye Olde Tom Toolshed | ADD | to MLB | 8:26 am, 4/17/18 |
| Joe Biagini | Purple Cobras | ADD | to MLB | 7:52 am, 4/17/18 |
| Daniel Robertson | Purple Cobras | ADD | to MLB | 7:49 am, 4/17/18 |
| Jazz Chisholm | Hill Valley Preservation Society | ADD | to AA | 7:48 am, 4/17/18 |
| D.J. Peters | Hill Valley Preservation Society | ADD | to AAA | 7:47 am, 4/17/18 |
| Ryan Madson | Geckos | ADD | to MLB | 1:02 am, 4/17/18 |
| Nicky Delmonico | Purple Cobras | ADD | to MLB | 11:14 pm, 4/16/18 |
| Yolmer Sanchez | Purple Cobras | ADD | to MLB | 11:13 pm, 4/16/18 |