Whing is struggling with the dead leg he suffered against Wycombe last weekend and also with an ongoing groin problem.
Centre-half Adam Virgo could therefore move across to right-back with Tommy Elphick earning a recall alongside James Tunnicliffe in the middle.
Adam El-Abd will continue to deputise at left-back with Jake Wright short of match fitness after recovering from a hamstring problem and Jim McNulty still missing with an ankle injury.
Defender Colin Hawkins is sidelined with a broken nose and striker Glenn Murray is continuing his rehabilitation from a hernia operation.
Winger Dean Cox came off the bench to set up Nicky Forster's winner against Wycombe and is pushing to reclaim his starting spot.
Source: Team_Talk