| Steven Hatley | 5 | 6 | From 06/29/15 to 07/22/15 |
| Jim Gardner | 3 | 4 | From 07/27/15 to 08/13/15 |
| Steve Richmond | 3 | 3 | From 06/15/15 to 06/29/15 |
| Jim Gardner | 3 | 3 | From 06/29/15 to 07/06/15 |
| Gregory Lagarde | 3 | 3 | From 07/03/15 to 07/18/15 |
| Brad Johnson | 3 | 3 | From 07/24/15 to 08/03/15 |
| Shawn Poe | 2 | 5 | From 06/07/15 to 06/11/15 |
| Gregory Lagarde | 2 | 3 | From 08/22/15 to Season End |
| Aaron Greusel | 2 | 2 | From 08/22/15 to Season End |
| Steven Hatley | 2 | 2 | From 06/07/15 to 06/11/15 |