Republic of Ireland midfielder Darron Gibson is a doubt for Everton's Premier League trip to Wolves on Sunday after suffering a slight knock.
Left-back Leighton Baines has been ruled out of despite progressing well in his recovery from a hamstring problem.
Forward Victor Anichebe is also missing after suffering a groin injury in midweek and joins midfielder Jack Rodwell (hamstring) on the sidelines.
Versatile captain Phil Neville could also be doubtful.
Provisional squad: Howard, Heitinga, Jagielka, Distin, Hibbert, Neville, Coleman, Fellaini, Osman, Gibson, Jelavic, Gueye, Duffy, McFadden, Stracqualursi, Pienaar, Cahill, Barkley, Hahnemann, Mucha.