| Player | Team | Action | Details | |
|---|---|---|---|---|
| Adam Wainwright | Shaolin Schmeckles | ADD | to MLB | 3:34 am, 9/20/18 |
| Spencer Turnbull | Purple Cobras | ADD | to AAA | 9:40 am, 9/18/18 |
| Ryan Borucki | Purple Cobras | ADD | to AAA | 9:56 pm, 9/17/18 |
| Trevor Hildenberger | Purple Cobras | ADD | to MLB | 11:33 am, 9/17/18 |
| Andrew Knizer | Hill Valley Preservation Society | ADD | to AAA | 2:20 am, 9/14/18 |
| Matt Kemp | Hill Valley Preservation Society | ADD | to MLB | 1:58 am, 9/14/18 |
| Ty Buttrey | Purple Cobras | ADD | to AAA | 6:11 am, 9/12/18 |
| Parker Dunshee | Purple Cobras | ADD | to AA | 7:45 am, 9/11/18 |
| Greg Holland | Purple Cobras | ADD | to MLB | 7:43 am, 9/11/18 |
| Colin Poche | The Red Barons | ADD | to AAA | 8:48 am, 9/10/18 |
| Jackie Bradley Jr | Hill Valley Preservation Society | ADD | to MLB | 4:14 am, 9/10/18 |
| Chase De Jong | Purple Cobras | ADD | to AAA | 9:43 am, 9/9/18 |
| Shervyen Newton | Scranton Yankees | ADD | to A | 8:04 am, 9/9/18 |
| Elvis Andrus | Scranton Yankees | ADD | to MLB | 1:33 pm, 9/8/18 |
| Melky Cabrera | Scranton Yankees | ADD | to MLB | 1:32 pm, 9/8/18 |
| Drew Steckenrider | Scranton Yankees | ADD | to MLB | 1:32 pm, 9/8/18 |
| Trevor Hildenberger | Scranton Yankees | ADD | to MLB | 1:31 pm, 9/8/18 |
| Kurt Suzuki | Scranton Yankees | ADD | to MLB | 1:30 pm, 9/8/18 |
| Alvarado Jose | Scranton Yankees | ADD | to MLB | 1:29 pm, 9/8/18 |
| Justin Smoak | Scranton Yankees | ADD | to MLB | 1:29 pm, 9/8/18 |
| Corey Dickerson | Kimble's Kids | ADD | to MLB | 10:26 am, 9/8/18 |
| Ty Buttrey | Purple Cobras | ADD | to AAA | 5:50 am, 9/8/18 |
| Kevin Kramer | The Red Barons | ADD | to MLB | 5:55 pm, 9/7/18 |
| Jake Cave | The Bluth Company | ADD | to AAA | 3:04 pm, 9/7/18 |
| Jordan Zimmermann | The Bluth Company | ADD | to MLB | 12:18 pm, 9/7/18 |