| CID | Name | Position | Valid through |
| 1363402 | Daniel Escobar | BNA_APP | 2021-10-01 |
| 1489532 | Ryan Holzhauer | ABQ_APP | 2021-10-22 |
| 1406883 | Joshua Reisner | COS_APP | 2021-10-17 |
| 1461101 | Tyler Syring | DEN_CTR | 2021-10-21 |
| 1530698 | Peter May | IAD_APP | 2021-09-27 |
| 1385367 | Rowan Young | OAK_CTR | 2021-10-06 |
| 1366661 | Henry Grayer | DC_CTR | 2021-10-06 |
| 1203809 | Maxim Salikhov | OAK_CTR | 2021-10-08 |
| 961564 | Brandon DePalo | BWI_APP | 2021-10-08 |
| 819532 | John Camacho | MEM_APP | 2021-10-10 |
| 1351380 | Manav Rohilla | PDX_APP | 2021-10-13 |
| 1471203 | Jackson Smith | DC_CTR | 2021-10-16 |
| 1569636 | Heath Abelson | ABE_APP | 2021-10-20 |
| 1405430 | Brian Barth | ABE_APP | 2021-10-22 |