| Player | Team | Action | Details | |
|---|---|---|---|---|
| Daniel Mengden | Chinballs | ADD | to MLB | 3:31 pm, 7/4/19 |
| Bo Naylor | The Bluth Company | ADD | to A | 1:57 pm, 7/4/19 |
| Jamie Barria | Purple Cobras | ADD | to AAA | 5:59 am, 7/4/19 |
| Yoshihisa Hirano | The Bluth Company | ADD | to MLB | 1:10 am, 7/4/19 |
| Jonathan Arauz | Ye Olde Tom Toolshed | ADD | to AA | 11:40 am, 7/3/19 |
| James McCann | Supreme Clientele | ADD | to MLB | 11:32 am, 7/3/19 |
| Tony Watson | Geckos | ADD | to MLB | 11:25 am, 7/3/19 |
| Adam Plutko | Geckos | ADD | to MLB | 11:25 am, 7/3/19 |
| Matt Adams | Geckos | ADD | to MLB | 11:24 am, 7/3/19 |
| Austin Slater | Purple Cobras | ADD | to MLB | 7:42 am, 7/3/19 |
| Austin Riley | Ye Olde Tom Toolshed | ADD | to MLB | 9:38 am, 7/2/19 |
| Nolan Jones | Ye Olde Tom Toolshed | ADD | to AA | 9:38 am, 7/2/19 |
| Julio Rodriguez | Ye Olde Tom Toolshed | ADD | to A | 9:38 am, 7/2/19 |
| Nate Pearson | Ye Olde Tom Toolshed | ADD | to AAA | 9:37 am, 7/2/19 |
| Blake Rutherford | Jon Voight's Car | ADD | to AAA | 7:26 pm, 7/1/19 |
| Yonathan Daza | Geckos | ADD | to AAA | 11:29 am, 7/1/19 |
| Christian Vazquez | Purple Cobras | ADD | to MLB | 5:02 am, 7/1/19 |
| Andrew Knizer | Purple Cobras | ADD | to AA | 3:45 am, 7/1/19 |
| Colin Poche | The Red Barons | ADD | to AAA | 8:36 pm, 6/30/19 |
| Hunter Harvey | The Red Barons | ADD | to AAA | 11:10 am, 6/30/19 |
| Durbin Feltman | The Red Barons | ADD | to AAA | 10:52 am, 6/30/19 |
| Tommy Milone | Purple Cobras | ADD | to MLB | 5:16 am, 6/30/19 |
| Austin Adams | The Red Barons | ADD | to MLB | 6:55 pm, 6/28/19 |
| Pablo Sandoval | Shaolin Schmeckles | ADD | to MLB | 6:19 pm, 6/28/19 |
| Daniel Poncedeleon | Chinballs | ADD | to AAA | 4:28 pm, 6/28/19 |