| Player | Team | Action | Details | |
|---|---|---|---|---|
| Todd Frazier | Ye Olde Tom Toolshed | ADD | to MLB | 10:09 am, 10/3/19 |
| Kevin Pillar | Ye Olde Tom Toolshed | ADD | to MLB | 10:09 am, 10/3/19 |
| Isan Diaz | Hill Valley Preservation Society | ADD | to MLB | 7:57 am, 10/3/19 |
| Travis Shaw | Hill Valley Preservation Society | ADD | to MLB | 7:56 am, 10/3/19 |
| Alex Gordon | Geckos | ADD | to MLB | 10:33 pm, 10/2/19 |
| Ben Zobrist | Geckos | ADD | to MLB | 10:33 pm, 10/2/19 |
| Ji-Man Choi | The Bluth Company | ADD | to MLB | 5:46 pm, 9/29/19 |
| Mitch Moreland | The Bluth Company | ADD | to MLB | 5:46 pm, 9/29/19 |
| Chris Bassitt | Purple Cobras | ADD | to MLB | 2:39 am, 9/29/19 |
| Giovanny Gallegos | Chinballs | ADD | to MLB | 4:10 pm, 9/27/19 |
| Shin-soo Choo | Chinballs | ADD | to MLB | 4:09 pm, 9/27/19 |
| Mauricio Dubon | The Red Barons | ADD | to MLB | 3:03 pm, 9/27/19 |
| Zack Collins | The Red Barons | ADD | to MLB | 10:09 pm, 9/26/19 |
| Rich Hill | The Red Barons | ADD | to MLB | 6:03 am, 9/26/19 |
| J.A. Happ | The Bluth Company | ADD | to MLB | 11:08 pm, 9/25/19 |
| Rick Porcello | Purple Cobras | ADD | to MLB | 8:13 am, 9/24/19 |
| Adrian Houser | The Red Barons | ADD | to MLB | 6:21 pm, 9/23/19 |
| Jake Burger | Supreme Clientele | ADD | to AA | 2:13 pm, 9/23/19 |
| Austin Dean | The Bluth Company | ADD | to AAA | 7:11 pm, 9/22/19 |
| Tyler Duffey | Nixon's Nasty Ninjas | ADD | to MLB | 9:44 am, 9/21/19 |
| Kevin Ginkel | Purple Cobras | ADD | to MLB | 9:35 pm, 9/17/19 |
| Canaan Smith | Purple Cobras | ADD | to A | 9:34 pm, 9/17/19 |
| Tucker Davidson | Chinballs | ADD | to AA | 12:19 pm, 9/17/19 |
| Jordan Luplow | Purple Cobras | ADD | to AAA | 1:30 am, 9/16/19 |
| Nick Markakis | The Bluth Company | ADD | to MLB | 5:08 pm, 9/15/19 |