| Player | Team | Action | Details | |
|---|---|---|---|---|
| Trevor Gott | Nixon's Nasty Ninjas | ADD | to MLB | 1:54 pm, 8/9/19 |
| Victor Caratini | Nixon's Nasty Ninjas | ADD | to MLB | 1:49 pm, 8/9/19 |
| Brian Johnson | Shaolin Schmeckles | ADD | to MLB | 1:16 pm, 8/9/19 |
| Zach Davies | Hill Valley Preservation Society | ADD | to MLB | 11:37 am, 8/9/19 |
| Justin Smoak | Shaolin Schmeckles | ADD | to MLB | 4:15 pm, 8/8/19 |
| Eric Sogard | Purple Cobras | ADD | to MLB | 9:00 am, 8/8/19 |
| Tommy Kahnle | The Bluth Company | ADD | to MLB | 7:15 am, 8/8/19 |
| Cameron Maybin | The Bluth Company | ADD | to MLB | 7:13 am, 8/8/19 |
| Stephen Vogt | Shaolin Schmeckles | ADD | to MLB | 3:17 pm, 8/7/19 |
| A.J. Minter | Ye Olde Tom Toolshed | ADD | to AAA | 4:11 pm, 8/6/19 |
| Roman Quinn | The Red Barons | ADD | to MLB | 3:11 pm, 8/6/19 |
| Tucupita Marcano | Nixon's Nasty Ninjas | ADD | to A | 10:16 am, 8/6/19 |
| Seth Corry | Jon Voight's Car | ADD | to A | 8:49 pm, 8/5/19 |
| Brandon Kintzler | Geckos | ADD | to MLB | 5:21 pm, 8/5/19 |
| Steve Cishek | The Red Barons | ADD | to MLB | 5:12 pm, 8/5/19 |
| Tucker Davidson | Chinballs | ADD | to AA | 4:08 pm, 8/5/19 |
| Zack Collins | Chinballs | ADD | to AAA | 12:24 pm, 8/5/19 |
| Ender Inciarte | Supreme Clientele | ADD | to MLB | 10:44 am, 8/5/19 |
| Adrian Houser | Supreme Clientele | ADD | to MLB | 10:44 am, 8/5/19 |
| Gio Urshela | Supreme Clientele | ADD | to MLB | 10:43 am, 8/5/19 |
| Mike Yastrzemski | Supreme Clientele | ADD | to MLB | 10:43 am, 8/5/19 |
| Adam Plutko | Purple Cobras | ADD | to MLB | 1:00 am, 8/5/19 |
| Jason Kipnis | Purple Cobras | ADD | to MLB | 1:00 am, 8/5/19 |
| Jake Rogers | Purple Cobras | ADD | to MLB | 12:59 am, 8/5/19 |
| Jose Osuna | Geckos | ADD | to MLB | 11:55 pm, 8/4/19 |