Kyrie Irving scored 30 points in his playoff debut, LeBron James added 20 in his first postseason game with Cleveland in five years and Kevin Love shook off a slow start to record a double-double, leading the Cavaliers to a 113-100 victory in Game 1 over the Boston Celtics on Sunday.
Irving made five 3-pointers and Love, another postseason rookie, added 19 points -- 13 in the second half -- and 12 rebounds.
Isaiah Thomas scored 22 points to lead the seventh-seeded Celtics. They will try to even the best-of-7 series in Game 2 on Tuesday night.