Gordon Hayward scored 20 points and Marcus Morris started a decisive three-point flurry late in the fourth quarter on Sunday to give the Boston Celtics a series-clinching 110-106 victory at Indiana. It was the first four-game sweep for the Celtics since 2011 and their second since 1986-87.

Bojan Bogdanovic finished with 22 points and Tyreke Evans finished with a playoff career-high of 21 to lead the Pacers. It still wasn’t enough to prevent Indiana from enduring their second first-round sweep in three years, the only two best-of-seven sweeps in franchise history.

Jimmy Butler and Jared Dudley ejected as Sixers win Game 4 over feisty Nets Read more

This game, unlike the previous three, did not turn on Boston’s suffocating second-half defense. Instead, it was a flagrant foul called on Indiana’s Cory Joseph with 6:45 to play. Jayson Tatum took advantage by making both free throws to give the Celtics an 83-82 lead. Al Horford sank one on Boston’s next possession and then Morris started the decisive flurry with a three-pointer with 5:08 to play. Hayward’s three-point play with 4:24 left made it 90-83 and Boston made three more threes over the next three minutes to take an insurmountable 102-90 lead.

Elsewhere, Kevin Durant scored 33 points, Klay Thompson added 32 and the Golden State Warriors beat the Los Angeles Clippers 113-105 to take a commanding 3-1 lead in their series. Stephen Curry was in foul trouble for the second straight game and finished with 12 points. Andrew Bogut fouled out with 5:50 remaining in the game with eight points and 10 rebounds.

Coming off a 27-point loss in Game 3, the Clippers played tougher defensively and hung in after trailing by 11 in the second quarter. They outscored Golden State 30-25 in the third when they rallied to take a five-point lead. But Curry scored seven of the Warriors’ final 10 points to send them into the fourth ahead 87-84.

Game 5 is Wednesday in Oakland, when the two-time defending champions could close out the series.