Boston Celtics became the first team to advance from the NBA play-offs, taking an unassailable 4-0 lead over Indiana Pacers in the best-of-seven series.
Celtics trailed 49-47 at half-time but had the better of both the final two quarters to seal a 110-106 win.
In the Eastern Conference semi-finals, they face either Milwaukee Bucks or Detroit Pistons, with the Bucks having a chance to progress 4-0 on Monday.
Houston Rockets can also clinch a 4-0 win on Monday against Utah Jazz.
On Sunday, Toronto Raptors beat Orlando Magic 107-85 to take a 3-1 lead, while in the Western Conference, both Golden State Warriors and Portland Trail Blazers also took 3-1 leads with wins over Los Angeles Clippers and Oklahoma City Thunder respectively.