The Premiership club's medical staff believe the 32-year-old former English international has a piece of floating bone in the joint. David O'Leary said: "Hopefully it won't put him out for too long."
Phillips undergoes surgery
The Premiership club's medical staff believe the 32-year-old former English international has a piece of floating bone in the joint. David O'Leary said: "Hopefully it won't put him out for too long."