How Cenac Jr., Mitchell can inject much-needed athleticism into Celtics

How Cenac Jr., Mitchell can inject much-needed athleticism into Celtics originally appeared on NBC Sports BostonLAS VEGAS — An overtime-forcing 3-pointer was undoubtedly the highlight of Chris Cenac Jr.’s pro debut for the Boston Celtics at Vegas Summer League on Friday night. But our favorite moment came earlier when Cenac tried one of the most ambitious putbacks in summer league history and nearly impaled a teammate in the process.Crashing hard from the 3-point line on a Curtis Jon