| CID | Name | Position | Valid through |
| 1090147 | Michael Thomas | ATL_CTR | 2018-04-25 |
| 1269163 | Brett Jones | STL_APP | 2018-04-25 |
| 1318107 | Milan Cruz | SLC_CTR | 2018-04-30 |
| 1402873 | Elliott Sankus | OKC_APP | 2018-05-11 |
| 1396867 | Kenneth Fenstermaker | OKC_APP | 2018-05-13 |
| 1402873 | Elliott Sankus | AUS_APP | 2018-05-11 |
| 1333568 | Christian Birch | PDX_APP | 2018-05-21 |