| Player | Team | Action | Details | |
|---|---|---|---|---|
| Pablo Lopez | Purple Cobras | ADD | to AA | 12:40 am, 6/6/18 |
| Joakim Soria | Purple Cobras | ADD | to MLB | 12:39 am, 6/6/18 |
| Kendrys Morales | Geckos | ADD | to MLB | 4:37 pm, 6/5/18 |
| Trevor Hildenberger | Geckos | ADD | to MLB | 11:07 am, 6/5/18 |
| Jarrod Dyson | Geckos | ADD | to MLB | 10:07 am, 6/4/18 |
| Ian Kinsler | Geckos | ADD | to MLB | 10:07 am, 6/4/18 |
| Pablo Lopez | Purple Cobras | ADD | to AA | 9:50 am, 6/4/18 |
| Daniel Palka | Purple Cobras | ADD | to MLB | 9:50 am, 6/4/18 |
| Dereck Rodriguez | The Red Barons | ADD | to MLB | 9:09 pm, 6/3/18 |
| Max Stassi | Purple Cobras | ADD | to AAA | 9:05 pm, 6/3/18 |
| Gorkys Hernandez | Purple Cobras | ADD | to MLB | 9:04 pm, 6/3/18 |
| Dylan Covey | Geckos | ADD | to MLB | 12:36 pm, 6/3/18 |
| Ronaldo Hernandez | Purple Cobras | ADD | to A | 10:02 am, 6/3/18 |
| Adam Plutko | Purple Cobras | ADD | to MLB | 9:59 am, 6/3/18 |
| Sergio Romo | Dead Rabbits | ADD | to MLB | 10:58 am, 6/2/18 |
| Dylan Cozens | The Red Barons | ADD | to MLB | 7:12 pm, 6/1/18 |
| Kyle Crick | The Red Barons | ADD | to AAA | 5:40 am, 6/1/18 |
| Edgar Santana | The Red Barons | ADD | to AAA | 5:33 am, 6/1/18 |
| Juan Nicasio | The Red Barons | ADD | to MLB | 3:53 pm, 5/31/18 |
| Pablo Lopez | Purple Cobras | ADD | to AA | 2:16 pm, 5/31/18 |
| Tyler Austin | Bridge Four | ADD | to MLB | 1:44 pm, 5/31/18 |
| Yolmer Sanchez | Bridge Four | ADD | to MLB | 1:43 pm, 5/31/18 |
| Mike Fiers | Bridge Four | ADD | to MLB | 1:42 pm, 5/31/18 |
| Miguel Rojas | Cowboys From Hell | ADD | to MLB | 9:44 am, 5/31/18 |
| Jared Hughes | Cowboys From Hell | ADD | to MLB | 9:44 am, 5/31/18 |