The Wolves midfielder missed the derby defeat against West Brom on Sunday with a hamstring injury and he is now considered doubtful for the visit of the Owls to the Molineux on Saturday.
"It was decided not to risk trying to get him fit for the Albion game," physio Barry Holmes told the clubs official website.
"Instead he was scheduled for intensive treatment every day this week in the hope that he will be able to rejoin training,"