| Gregory Lagarde | 6 | 8 | From 03/17/15 to 04/25/15 |
| David Gruber | 5 | 7 | From 04/21/15 to 05/18/15 |
| Aaron Greusel | 4 | 6 | From 03/28/15 to 04/12/15 |
| Jim Gardner | 4 | 5 | From 04/25/15 to Season End |
| Brian Johnston | 4 | 5 | From 03/23/15 to 04/12/15 |
| Jim Gardner | 3 | 7 | From 04/01/15 to 04/12/15 |
| Brian Johnston | 3 | 3 | From 05/16/15 to Season End |
| David Gruber | 2 | 5 | From 04/07/15 to 04/12/15 |
| Steve Richmond | 2 | 3 | From 04/01/15 to 04/07/15 |
| Brian Johnston | 2 | 3 | From 04/21/15 to 05/02/15 |