Hart is still a fortnight away from returning from a toe problem, and left-back McNulty is continuing his recovery from last season's horrific kidney injury.
But boss Russell Slade has no fresh worries as he attempts to turn around his side's disappointing start to the campaign which has seen them slip to defeats by Walsall and Carling Cup opponents Swansea.
Liam Dickinson shrugged off an ankle knock to face the Swans on Tuesday night but faces competition from fit-again forwards Glenn Murray (groin) and Craig Davies (knee).
Adam El-Abd and Mark Wright are pushing for starts after coming on as half-time substitutes at the Liberty Stadium.
