| Player | Team | Action | Details | |
|---|---|---|---|---|
| Dylan Covey | Chinballs | ADD | to MLB | 2:19 pm, 6/9/18 |
| Anthony Swarzak | Purple Cobras | ADD | to MLB | 10:00 am, 6/9/18 |
| Victor Arano | Chinballs | ADD | to MLB | 3:17 pm, 6/8/18 |
| Richard Rodriguez | Chinballs | ADD | to MLB | 3:16 pm, 6/8/18 |
| Brad Keller | Chinballs | ADD | to MLB | 3:15 pm, 6/8/18 |
| Gavin Lux | The Bluth Company | ADD | to AA | 2:04 pm, 6/8/18 |
| Wilmer Font | Geckos | ADD | to MLB | 11:00 am, 6/8/18 |
| Doug Fister | The Red Barons | ADD | to MLB | 9:23 am, 6/8/18 |
| Jason Heyward | Cowboys From Hell | ADD | to MLB | 6:37 am, 6/8/18 |
| Daniel Robertson | Cowboys From Hell | ADD | to MLB | 6:37 am, 6/8/18 |
| Michael A. Taylor | Chinballs | ADD | to MLB | 2:19 am, 6/8/18 |
| Steve Cishek | Chinballs | ADD | to MLB | 2:17 am, 6/8/18 |
| Drew Steckenrider | Chinballs | ADD | to MLB | 2:17 am, 6/8/18 |
| Matt Joyce | Geckos | ADD | to MLB | 10:26 am, 6/7/18 |
| Josh Harrison | The Red Barons | ADD | to MLB | 7:55 am, 6/7/18 |
| Jaime Garcia | The Red Barons | ADD | to MLB | 7:16 am, 6/7/18 |
| Pablo Lopez | Purple Cobras | ADD | to AA | 6:03 am, 6/7/18 |
| Derek Dietrich | Purple Cobras | ADD | to MLB | 6:02 am, 6/7/18 |
| Oneil Cruz | The Bluth Company | ADD | to AA | 5:25 pm, 6/6/18 |
| Welington Castillo | The Red Barons | ADD | to NA | 9:46 am, 6/6/18 |
| Addison Reed | Geckos | ADD | to MLB | 9:40 am, 6/6/18 |
| Matt Harvey | Geckos | ADD | to MLB | 9:40 am, 6/6/18 |
| Marco Estrada | Hill Valley Preservation Society | ADD | to MLB | 8:47 am, 6/6/18 |
| Adam Conley | Hill Valley Preservation Society | ADD | to MLB | 8:36 am, 6/6/18 |
| Jose Leclerc | Shaolin Schmeckles | ADD | to AAA | 2:32 am, 6/6/18 |