| Player | Team | Action | Details | |
|---|---|---|---|---|
| Spencer Howard | Geckos | ADD | to AA | 7:31 pm, 1/23/20 |
| Drew Smyly | Bullet Club | ADD | to MLB | 5:15 pm, 10/8/19 |
| Kyle Seager | Scranton Yankees | ADD | to MLB | 5:26 pm, 10/4/19 |
| Jacob Waguespack | Shaolin Schmeckles | ADD | to MLB | 5:21 pm, 10/4/19 |
| Anthony Bass | Shaolin Schmeckles | ADD | to MLB | 5:19 pm, 10/4/19 |
| Antonio Senzatela | Nixon's Nasty Ninjas | ADD | to MLB | 10:59 am, 10/4/19 |
| Shane Greene | Bullet Club | ADD | to MLB | 6:32 pm, 10/3/19 |
| Ryan Pressly | Bullet Club | ADD | to MLB | 6:32 pm, 10/3/19 |
| Sean Doolittle | Bullet Club | ADD | to MLB | 6:31 pm, 10/3/19 |
| Mike Fiers | Bullet Club | ADD | to MLB | 6:31 pm, 10/3/19 |
| 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 |