| Christopher Clary | 7 | 11 | From 07/01/21 to 08/05/21 |
| Christopher Clary | 5 | 8 | From 08/19/21 to Season End |
| Brent Feller | 4 | 7 | From 08/20/21 to Season End |
| Brent Feller | 4 | 6 | From 07/06/21 to 07/29/21 |
| Michael Kelley | 3 | 6 | From 07/06/21 to 07/22/21 |
| Michael Krenz | 3 | 5 | From 06/24/21 to 07/15/21 |
| Michael White | 3 | 4 | From 08/19/21 to 08/23/21 |
| Robert Petri | 3 | 3 | From 06/17/21 to 07/01/21 |
| Ariel Jaffe | 3 | 3 | From 07/01/21 to 07/08/21 |
| Michael White | 3 | 3 | From 07/08/21 to 07/22/21 |