“Deeply frustrated is an understatement,” added the Sunderland boss. “And when he gets back in, Lee will be so determined, he’ll probably be man of the match.
“Any game he misses hurts him, he’s that kind of character.
“I don’t enjoy upsetting players but I do enjoy the fact that I’ve got to make these big decisions.
“All these players are desperate to play which hopefully, will stand us in good stead in the fight for survival.”