| Player | Team | Action | Details | |
|---|---|---|---|---|
| Matt Wieters | Purple Cobras | ADD | to MLB | 4:19 am, 5/31/19 |
| Josh Ockimey | Supreme Clientele | ADD | to AAA | 12:20 pm, 5/30/19 |
| Daniel Johnson | Ye Olde Tom Toolshed | ADD | to AAA | 11:54 am, 5/30/19 |
| Kevin Kiermaier | Purple Cobras | ADD | to MLB | 8:35 am, 5/30/19 |
| Steven Brault | The Red Barons | ADD | to MLB | 4:43 am, 5/30/19 |
| David Bote | Purple Cobras | ADD | to MLB | 2:58 pm, 5/29/19 |
| Joe Ross | Supreme Clientele | ADD | to NA | 12:58 pm, 5/29/19 |
| Kevin Newman | Supreme Clientele | ADD | to AAA | 12:56 pm, 5/29/19 |
| Josiah Gray | Supreme Clientele | ADD | to AA | 4:45 pm, 5/28/19 |
| D.J. Stewart | The Bluth Company | ADD | to AAA | 1:29 pm, 5/28/19 |
| J.C. Ramirez | The Red Barons | ADD | to MLB | 11:48 am, 5/28/19 |
| Genesis Cabrera | Ye Olde Tom Toolshed | ADD | to MLB | 11:10 am, 5/28/19 |
| Brian Goodwin | Purple Cobras | ADD | to MLB | 8:56 am, 5/28/19 |
| Brandon Drury | Ye Olde Tom Toolshed | ADD | to MLB | 8:45 am, 5/28/19 |
| Clayton Richard | Ye Olde Tom Toolshed | ADD | to MLB | 8:43 am, 5/28/19 |
| Robbie Erlin | Ye Olde Tom Toolshed | ADD | to MLB | 8:41 am, 5/28/19 |
| Jarrod Dyson | Geckos | ADD | to MLB | 5:16 am, 5/28/19 |
| Shawn Armstrong | Geckos | ADD | to MLB | 5:15 am, 5/28/19 |
| Elieser Hernandez | The Red Barons | ADD | to MLB | 2:28 pm, 5/27/19 |
| Branden Kline | Geckos | ADD | to AAA | 1:28 pm, 5/27/19 |
| Charlie Tilson | Hill Valley Preservation Society | ADD | to MLB | 7:27 am, 5/27/19 |
| Mark Trumbo | The Red Barons | ADD | to MLB | 2:36 pm, 5/26/19 |
| Chris Martin | Geckos | ADD | to MLB | 12:53 pm, 5/26/19 |
| Ji-Man Choi | Geckos | ADD | to MLB | 12:51 pm, 5/26/19 |
| Joe Ross | Supreme Clientele | ADD | to AAA | 10:34 am, 5/26/19 |