| Player | Team | Action | Details | |
|---|---|---|---|---|
| Trevor Cahill | The Red Barons | ADD | to NA | 8:20 am, 4/4/18 |
| Christian Villanueva | Purple Cobras | ADD | to MLB | 7:28 am, 4/4/18 |
| Jordan Luplow | Shaolin Schmeckles | ADD | to AA | 11:25 pm, 4/3/18 |
| Domingo Leyba | Shaolin Schmeckles | ADD | to A | 11:20 pm, 4/3/18 |
| Alex Avila | Shaolin Schmeckles | ADD | to MLB | 11:17 pm, 4/3/18 |
| Adrian Gonzalez | Shaolin Schmeckles | ADD | to MLB | 11:17 pm, 4/3/18 |
| Steven Brault | Supreme Clientele | ADD | to MLB | 5:40 pm, 4/3/18 |
| Lonnie Chisenhall | The Red Barons | ADD | to MLB | 5:05 pm, 4/3/18 |
| Aledmys Diaz | The Red Barons | ADD | to MLB | 3:57 pm, 4/3/18 |
| Cory Spangenberg | The Red Barons | ADD | to MLB | 11:48 am, 4/3/18 |
| Nick Vincent | Geckos | ADD | to MLB | 11:01 am, 4/3/18 |
| Marco Gonzales | Geckos | ADD | to MLB | 11:01 am, 4/3/18 |
| Kazuhisa Makita | Geckos | ADD | to MLB | 11:00 am, 4/3/18 |
| Trevor Richards | The Bluth Company | ADD | to AAA | 9:10 am, 4/3/18 |
| Tirso Ornelas | The Bluth Company | ADD | to A | 9:10 am, 4/3/18 |
| Howie Kendrick | Purple Cobras | ADD | to MLB | 6:46 pm, 4/2/18 |
| Ronny Mauricio | Hill Valley Preservation Society | ADD | to A | 3:36 pm, 4/2/18 |
| Albert Almora | The Bluth Company | ADD | to MLB | 12:50 pm, 4/1/18 |
| Jake Marisnick | The Bluth Company | ADD | to MLB | 12:37 pm, 4/1/18 |
| Kevin Newman | Geckos | ADD | to AA | 12:26 pm, 4/1/18 |
| Daniel Winkler | Bridge Four | ADD | to MLB | 10:01 am, 4/1/18 |
| Kevin Pillar | Bridge Four | ADD | to MLB | 9:59 am, 4/1/18 |
| Keynan Middleton | Hill Valley Preservation Society | ADD | to MLB | 8:21 am, 4/1/18 |
| Nick Neidert | Scranton Yankees | ADD | to AAA | 8:17 pm, 3/31/18 |
| Josh Fields | Geckos | ADD | to MLB | 2:55 pm, 3/31/18 |