The midfielder is already set to miss his side’s Premier League meeting with Leeds United in December. Sign up to our Leeds United newsletter Sign up Thank you for signing up! Submitting...Sunderland midfielder and Leeds United summer target Habib Diarra is facing a lengthy spell out after undergoing surgery on a groin injury. Leeds’ Premier League rivals have now confirmed the 21-year-old faces more than two months on the sidelines after undergoing surgery. A statement released by the club on Tuesday morning read: “Sunderland AFC midfielder Habib Diarra underwent successful surgery on Monday.