Jayson Tatum scored on the buzzer to give the Boston Celtics a 115-114 victory over the Brooklyn Nets in their opening NBA play-off game.
Tatum scored 31 points as the Eastern Conference second seeds held off a fourth-quarter comeback by the Nets.
The Celtics lead 1-0 in the best-of-seven first-round series.
Kyrie Irving, who hit 39 points for the Nets against his former team, raised his middle finger to the Boston crowd during the third quarter.