Cavaliers guard Daniel Gibson left the game in the fourth quarter last night in Boston vs. the Celtics with a left shoulder contusion. He received additional examinations today at The Cleveland Clinic, including an MRI, which revealed a first degree left AC (acromioclavicular joint) separation. He is currently listed as Out for Friday night’s game vs. the Celtics at Quicken Loans Arena in Cleveland. He is expected to miss one to two weeks. His status will be updated as appropriate.