| Player | Team | Action | Details | |
|---|---|---|---|---|
| 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 |
| Ranger Suarez | The Bluth Company | ADD | to AA | 9:37 pm, 4/16/18 |
| Tyler Stephenson | Geckos | ADD | to AA | 4:29 pm, 4/16/18 |
| Michael Baumann | Geckos | ADD | to AA | 4:19 pm, 4/16/18 |
| Robbie Erlin | Supreme Clientele | ADD | to MLB | 12:06 pm, 4/16/18 |
| Jurickson Profar | Supreme Clientele | ADD | to MLB | 12:06 pm, 4/16/18 |
| Hansel Robles | Kimble's Kids | ADD | to MLB | 12:04 pm, 4/16/18 |
| Alvarado Jose | The Bluth Company | ADD | to AA | 9:10 am, 4/16/18 |
| Will Benson | The Bluth Company | ADD | to AA | 9:10 am, 4/16/18 |
| Jose Pirela | The Red Barons | ADD | to MLB | 6:30 am, 4/16/18 |
| Jose Suarez | The Bluth Company | ADD | to AAA | 11:19 pm, 4/15/18 |
| Greg Garcia | Purple Cobras | ADD | to MLB | 1:11 pm, 4/15/18 |
| Guillermo Heredia | Purple Cobras | ADD | to MLB | 1:10 pm, 4/15/18 |
| Denard Span | Cowboys From Hell | ADD | to MLB | 12:39 pm, 4/15/18 |
| Phil Ervin | Cowboys From Hell | ADD | to MLB | 12:36 pm, 4/15/18 |
| Yasel Antuna | The Red Barons | ADD | to A | 8:44 pm, 4/14/18 |