The Boston Celtics defeated the Toronto Raptors, 112-94, in Game 1 of the best-of-seven series. Marcus Smart tallied 21 PTS (5 3PM), while Jayson Tatum added 21 PTS and 9 REB for the Celtics. Kyle Lowry paced the Raptors with 17 PTS, 6 REB, and 8 AST.