And they are in need of a lift after drawing at TelfordUnited in the FA Cup third qualifying round last weekend, only to then lose the replay on Monday night at St George's Lane.
Since then, the much-travelled Mullen has taken charge of clubs as diverse as Sligo Rovers in Ireland, Colwyn Bay in Wales and three non-League clubs in the Midlands - Market Drayton, TelfordUnited and Bromsgrove Rovers.