data-mm-id=”_5sm7rrmzy”>John Beilein likely won't be in the NBA much longer. A new report Sunday night claims the Cleveland Cavaliers are unlikely to keep Beilein beyond this season, and momentum is building towards his departure. Shams Charania, Kelsey Russo and Jason Lloyd of The Athletic had the report and here's what they had to say:”Cavaliers coach John Beilein is not expected to remain as head coach beyond the end of the season, league and team sources have told The Athletic. The terms of the separation, and the exact timing of it, are not yet known, but momentum is building toward his exit.”The report continues:”Several factors have come into play around the Cavaliers and Beilein in regard to his job position leading to the potential end of his tenure before the end of…