The rookie striker has completed a three-match suspension after being sent off at Portsmouth in the Carling Cup last month.
However, Zaha is likely to have to settle for a place on the bench after Everton loanee James Vaughan's hat-trick heroics against Pompey in the league on Tuesday night.
Edgar Davids has been on compassionate leave following the recent death of his father and if the Dutch veteran remains unavailable boss George Burley could name an unchanged side following their 4-1 midweek success.
On-loan Tottenham striker Jon Obika is close to returning after a calf injury but Darren Ambrose (leg), David Wright (calf), Lee Hills and winger Sean Scannell (both knee) are still on the sidelines.
