Per a report from The Vertical’s Shams Charania, John Collins will miss up to three weeks with a sprained AC joint in his shoulder, injured late in Thursday’s loss against Cleveland.
Sources: Atlanta rookie John Collins has been diagnosed with a sprained AC joint in left shoulder -- no tear -- and is expected to miss 2-to-3 weeks. He suffered injury Thursday night.
— Shams Charania (@ShamsCharania) December 1, 2017
This is the second shoulder injury Collins has suffered against the Cavaliers in his rookie season—he got tied up with Richard Jefferson during a preseason game in October and missed the rest of that game with a sprained right shoulder.