Celtics hang on to defeat Mavericks in Dallas, claiming 3-0 stranglehold of NBA Finals

Boston frittered away almost all of what was a 21-point lead before winning 106-99 to take a 3-0 lead in the NBA Finals, moving one win away from what would be their record-setting 18th championship.

Celtics hang on to defeat Mavericks in Dallas, claiming 3-0 stranglehold of NBA Finals
Basketball player shoots a ball while an opponent tries to block.

Boston frittered away almost all of what was a 21-point lead before winning 106-99 to take a 3-0 lead in the NBA Finals, moving one win away from what would be their record-setting 18th championship.