| Player | Team | Action | Details | |
|---|---|---|---|---|
| Albert Pujols | Hill Valley Preservation Society | ADD | to MLB | 4:55 am, 5/24/18 |
| Clarke Schmidt | The Bluth Company | ADD | to AAA | 11:20 pm, 5/23/18 |
| Tony Kemp | Dead Rabbits | ADD | to AAA | 5:03 pm, 5/23/18 |
| Miguel Amaya | The Bluth Company | ADD | to A | 12:27 pm, 5/23/18 |
| Clarke Schmidt | The Bluth Company | ADD | to A | 12:02 pm, 5/23/18 |
| Jeff McNeil | Nixon's Nasty Ninjas | ADD | to AAA | 11:56 am, 5/23/18 |
| Jeremy Jeffress | Nixon's Nasty Ninjas | ADD | to MLB | 11:56 am, 5/23/18 |
| Jace Fry | Nixon's Nasty Ninjas | ADD | to MLB | 11:55 am, 5/23/18 |
| Chris Carter | Dead Rabbits | ADD | to AAA | 11:33 am, 5/23/18 |
| Blake Swihart | Dead Rabbits | ADD | to MLB | 11:25 am, 5/23/18 |
| Edubray Ramos | Dead Rabbits | ADD | to MLB | 11:25 am, 5/23/18 |
| Wilmer Difo | Dead Rabbits | ADD | to MLB | 11:24 am, 5/23/18 |
| Rusney Castillo | Dead Rabbits | ADD | to AAA | 11:23 am, 5/23/18 |
| Kristian Robinson | Supreme Clientele | ADD | to A | 10:33 am, 5/23/18 |
| Jordan Lyles | Supreme Clientele | ADD | to MLB | 10:32 am, 5/23/18 |
| Max Muncy | Purple Cobras | ADD | to MLB | 10:31 am, 5/23/18 |
| Kevin Smith | The Red Barons | ADD | to A | 10:29 am, 5/23/18 |
| Mychal Givens | Supreme Clientele | ADD | to MLB | 2:28 pm, 5/22/18 |
| Tyler Austin | Purple Cobras | ADD | to MLB | 1:52 pm, 5/22/18 |
| Elieser Hernandez | Chinballs | ADD | to MLB | 12:47 pm, 5/22/18 |
| Will Craig | Nixon's Nasty Ninjas | ADD | to A | 9:50 am, 5/22/18 |
| Gabriel Arias | The Red Barons | ADD | to A | 8:15 am, 5/22/18 |
| Aledmys Diaz | Shaolin Schmeckles | ADD | to MLB | 2:26 am, 5/22/18 |
| Yasel Antuna | The Red Barons | ADD | to A | 12:04 am, 5/22/18 |
| Daniel Palka | The Bluth Company | ADD | to MLB | 6:32 pm, 5/21/18 |