"It's very early to say what the outcome may be.
"It's irritating rather than really painful. I thought it had cleared up after it troubled me last season. I'm having it scanned and we'll take it from there but it's very early to say what the outcome may be.
"I suppose if something has to be done this is the best time because I've got loads of time to be ready for the new season."
BTW. The Sun claim that he could be out for the season.