Kaspars Gorkss needed stiches in a head wound after a nasty collision with a television camera against Derby on Monday night, but he was able to finish the match and will be fine.
Fellow centre-half Fitz Hall could be added to the squad after recovering from a groin injury.
Warnock could make one or two changes to his line-up after a tired-looking display in the goalless draw against the Rams.
Peter Ramage is not match fit after his cruciate injury and Lee Cook (knee) and Jamie Mackie (broken leg) are long-term absentees.
Source: PA
Source: PA