| Player | Team | Action | Details | |
|---|---|---|---|---|
| Kevin Plawecki | Chinballs | ADD | to MLB | 4:52 pm, 8/22/18 |
| Nick Solak | Purple Cobras | ADD | to AA | 1:48 pm, 8/22/18 |
| Brian Johnson | Purple Cobras | ADD | to MLB | 1:19 pm, 8/22/18 |
| Tyler Austin | Purple Cobras | ADD | to MLB | 1:18 pm, 8/22/18 |
| Jonathan Arauz | Ye Olde Tom Toolshed | ADD | to AA | 1:08 pm, 8/22/18 |
| Taylor Rogers | Ye Olde Tom Toolshed | ADD | to MLB | 1:07 pm, 8/22/18 |
| Heath Fillmyer | Supreme Clientele | ADD | to AA | 11:07 am, 8/22/18 |
| Kevin Newman | Bridge Four | ADD | to MLB | 6:54 pm, 8/21/18 |
| Craig Stammen | Nixon's Nasty Ninjas | ADD | to | 2:11 pm, 8/21/18 |
| Jesse Chavez | Nixon's Nasty Ninjas | ADD | to MLB | 9:52 am, 8/21/18 |
| Albert Pujols | Nixon's Nasty Ninjas | ADD | to MLB | 9:51 am, 8/21/18 |
| Daniel Palka | Purple Cobras | ADD | to MLB | 5:42 am, 8/21/18 |
| Phil Ervin | Purple Cobras | ADD | to MLB | 5:41 am, 8/21/18 |
| Ramon Laureano | Purple Cobras | ADD | to AAA | 4:12 am, 8/21/18 |
| Mychal Givens | Shaolin Schmeckles | ADD | to MLB | 4:53 pm, 8/20/18 |
| Sam Gaviglio | The Red Barons | ADD | to MLB | 11:51 am, 8/20/18 |
| Greg Allen | The Red Barons | ADD | to MLB | 11:51 am, 8/20/18 |
| Ryan O'Hearn | The Bluth Company | ADD | to AAA | 2:44 pm, 8/19/18 |
| Michael King | The Bluth Company | ADD | to AAA | 1:01 pm, 8/19/18 |
| Daniel Poncedeleon | The Bluth Company | ADD | to AAA | 12:22 pm, 8/19/18 |
| Roenis Elias | The Red Barons | ADD | to MLB | 2:00 am, 8/19/18 |
| Franklyn Kilome | The Bluth Company | ADD | to AA | 1:00 pm, 8/18/18 |
| Tyler Chatwood | The Red Barons | ADD | to MLB | 12:22 pm, 8/18/18 |
| Luis Gil | The Bluth Company | ADD | to A | 11:30 am, 8/18/18 |
| Patrick Weigel | The Bluth Company | ADD | to AAA | 10:48 am, 8/18/18 |