3rd overall pick Jayson Tatum (21 pts) hit a clutch jumper late to give the Boston Celtics an 89-88 win over 1st overall pick Markelle Fultz (17 pts) and the Philadelphia 76ers in the first game of Utah Summer League action.
Starting with Orlando Pro Summer League, going through Utah, and finishing with NBA Summer League in Las Vegas from July 1st to the 17th, watch games live on NBA TV and ESPN.
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