| Player | Team | Action | Details | |
|---|---|---|---|---|
| James McCann | Geckos | ADD | to MLB | 7:39 am, 5/7/18 |
| Brett Anderson | Purple Cobras | ADD | to MLB | 4:08 am, 5/7/18 |
| Chad Pinder | Purple Cobras | ADD | to MLB | 4:04 am, 5/7/18 |
| Alen Hanson | Purple Cobras | ADD | to MLB | 8:46 pm, 5/6/18 |
| Lucas Duda | Geckos | ADD | to MLB | 11:09 am, 5/6/18 |
| Welington Castillo | Geckos | ADD | to MLB | 11:08 am, 5/6/18 |
| Ranger Suarez | The Bluth Company | ADD | to AAA | 9:21 am, 5/6/18 |
| Ross Stripling | Bridge Four | ADD | to MLB | 8:32 am, 5/6/18 |
| Caleb Smith | Chinballs | ADD | to AAA | 8:24 am, 5/6/18 |
| Oscar De La Cruz | Hill Valley Preservation Society | ADD | to AA | 12:44 am, 5/6/18 |
| John Gant | Chinballs | ADD | to MLB | 12:38 am, 5/6/18 |
| Bryan Mitchell | Bridge Four | ADD | to MLB | 4:26 pm, 5/5/18 |
| Tayron Guerrero | Chinballs | ADD | to MLB | 11:43 am, 5/5/18 |
| Taylor Clarke | The Bluth Company | ADD | to AA | 9:59 pm, 5/4/18 |
| Wilmer Flores | Chinballs | ADD | to MLB | 5:03 pm, 5/4/18 |
| Jose Soriano | Chinballs | ADD | to AAA | 5:02 pm, 5/4/18 |
| Zach Eflin | Supreme Clientele | ADD | to MLB | 11:25 am, 5/4/18 |
| Wade LeBlanc | Supreme Clientele | ADD | to MLB | 11:23 am, 5/4/18 |
| Austin Barnes | Supreme Clientele | ADD | to MLB | 11:23 am, 5/4/18 |
| Jordan Zimmermann | The Bluth Company | ADD | to MLB | 10:58 am, 5/4/18 |
| Tyler Flowers | The Bluth Company | ADD | to MLB | 10:58 am, 5/4/18 |
| Matt Adams | Purple Cobras | ADD | to MLB | 7:14 am, 5/4/18 |
| Denard Span | Kimble's Kids | ADD | to MLB | 6:06 am, 5/4/18 |
| Kris Medlen | Hill Valley Preservation Society | ADD | to MLB | 9:18 pm, 5/3/18 |
| Jalen Beeks | The Bluth Company | ADD | to AA | 6:28 pm, 5/3/18 |