| Player | Team | Action | Details | |
|---|---|---|---|---|
| Brian Johnson | Purple Cobras | ADD | to MLB | 8:51 am, 9/2/18 |
| Justin Miller | Hill Valley Preservation Society | ADD | to MLB | 7:04 pm, 9/1/18 |
| Jefry Rodriguez | The Bluth Company | ADD | to AAA | 12:02 pm, 9/1/18 |
| Jorge Lopez | The Bluth Company | ADD | to AAA | 11:38 am, 9/1/18 |
| David Hess | The Bluth Company | ADD | to AAA | 11:46 pm, 8/31/18 |
| Dustin Fowler | The Bluth Company | ADD | to AAA | 6:36 pm, 8/31/18 |
| Frankie Montas | Ye Olde Tom Toolshed | ADD | to AAA | 5:00 pm, 8/31/18 |
| Chris Shaw | Shaolin Schmeckles | ADD | to AA | 3:09 pm, 8/31/18 |
| Jason Kipnis | Purple Cobras | ADD | to MLB | 3:59 am, 8/31/18 |
| Patrick Wisdom | Shaolin Schmeckles | ADD | to MLB | 2:31 pm, 8/30/18 |
| Jose Miguel Fernandez | Shaolin Schmeckles | ADD | to AAA | 2:27 pm, 8/30/18 |
| Frankie Montas | Hill Valley Preservation Society | ADD | to MLB | 7:15 am, 8/30/18 |
| Andrew Knizer | Purple Cobras | ADD | to AA | 4:28 am, 8/30/18 |
| Framber Valdez | The Bluth Company | ADD | to AAA | 1:34 pm, 8/29/18 |
| Clarke Schmidt | The Bluth Company | ADD | to A | 12:35 pm, 8/29/18 |
| Bobby Dalbec | The Bluth Company | ADD | to AA | 12:34 pm, 8/29/18 |
| Enrique Hernandez | Purple Cobras | ADD | to MLB | 7:06 am, 8/29/18 |
| Hector Neris | Purple Cobras | ADD | to MLB | 11:53 pm, 8/28/18 |
| Gabriel Arias | The Red Barons | ADD | to A | 7:34 am, 8/28/18 |
| Ryan Madson | The Red Barons | ADD | to MLB | 6:44 am, 8/28/18 |
| Koda Glover | The Red Barons | ADD | to MLB | 6:42 am, 8/28/18 |
| Adam Engel | Shaolin Schmeckles | ADD | to MLB | 6:54 pm, 8/27/18 |
| Daniel Poncedeleon | Supreme Clientele | ADD | to NA | 10:31 am, 8/27/18 |
| Evan White | Purple Cobras | ADD | to A | 8:40 am, 8/27/18 |
| Pat Neshek | Purple Cobras | ADD | to MLB | 8:37 am, 8/27/18 |