ESPN.com news services An MRI on Cleveland Cavaliers point guard Kyrie Irving's left knee revealed a fractured kneecap, and he will undergo season-ending surgery in the coming days, the team announced Friday. Irving is projected to be out three to four months, the Cavaliers said. The surgery will be done at the Cleveland Clinic by head team physician Dr. Richard Parker. The 23-year-old Irving posted on Instagram after news of the surgery was announced.