| Player | Team | Action | Details | |
|---|---|---|---|---|
| Francisco Liriano | Kimble's Kids | ADD | to MLB | 8:58 am, 7/4/18 |
| Christian Villanueva | Shaolin Schmeckles | ADD | to MLB | 2:42 pm, 7/3/18 |
| Sal Romano | The Red Barons | ADD | to MLB | 12:09 pm, 7/3/18 |
| Ben Zobrist | Supreme Clientele | ADD | to MLB | 1:24 pm, 7/2/18 |
| Alvarado Jose | Hill Valley Preservation Society | ADD | to MLB | 1:03 pm, 7/2/18 |
| Curtis Granderson | The Red Barons | ADD | to MLB | 10:58 am, 7/2/18 |
| Austin Slater | Purple Cobras | ADD | to MLB | 10:52 am, 7/2/18 |
| Garrett Whitlock | The Red Barons | ADD | to AA | 5:47 am, 7/2/18 |
| Elieser Hernandez | The Red Barons | ADD | to MLB | 5:47 am, 7/2/18 |
| Mark Canha | Dead Rabbits | ADD | to MLB | 11:12 pm, 7/1/18 |
| Will Smith | Dead Rabbits | ADD | to MLB | 11:12 pm, 7/1/18 |
| Asdrubal Cabrera | Cowboys From Hell | ADD | to MLB | 4:29 pm, 7/1/18 |
| Zack Short | Nixon's Nasty Ninjas | ADD | to AA | 12:00 pm, 7/1/18 |
| Deck McGuire | The Red Barons | ADD | to MLB | 7:36 am, 7/1/18 |
| Jason Heyward | Supreme Clientele | ADD | to MLB | 1:05 am, 7/1/18 |
| Matt Duffy | Supreme Clientele | ADD | to MLB | 1:05 am, 7/1/18 |
| Adalberto Mejia | The Red Barons | ADD | to MLB | 8:18 am, 6/30/18 |
| Adalberto Mejia | The Red Barons | ADD | to MLB | 8:08 am, 6/30/18 |
| Yan Gomes | Shaolin Schmeckles | ADD | to MLB | 3:27 am, 6/30/18 |
| Marcus Semien | Shaolin Schmeckles | ADD | to MLB | 3:26 am, 6/30/18 |
| Adam Plutko | Shaolin Schmeckles | ADD | to AAA | 3:17 am, 6/30/18 |
| Jake Marisnick | Shaolin Schmeckles | ADD | to MLB | 4:21 pm, 6/29/18 |
| Ryne Stanek | Bridge Four | ADD | to MLB | 10:09 am, 6/29/18 |
| Dylan Covey | Bridge Four | ADD | to MLB | 10:06 am, 6/29/18 |
| Felix Pena | Bridge Four | ADD | to MLB | 10:05 am, 6/29/18 |