NBA playoffs roundup

• Nene scored 28 points on perfect shooting from the field, and Houston grabbed a 3-1 lead in its first-round playoff series against Oklahoma City with a 113-109 win in Game 4 on April 23.

Nene made all 12 of his shots and had 10 rebounds. He helped the Rockets overcome an off night by James Harden, who finished with 16 points on 5-for-16 shooting.

Eric Gordon and Lou Williams each scored 18 points for the Rockets.

Game 5 is Tuesday night in Houston.

Oklahoma City star Russell Westbrook had a triple-double by halftime and finished with 35 points, 14 rebounds and 14 assists. The Thunder said Westbrook joined Wilt Chamberlain as the only players to claim three consecutive playoff tripledoubles.

Steven Adams scored 18 points and Victor Oladipo added 15 for the Thunder.

• Isaiah Thomas scored 33 points, and the Celtics beat the Bulls to tie their

first-round playoff series at 2-all with a 104-95 win in Game 4. Boston blew a 20-point lead, but Thomas keyed a third-quarter run that put the Celtics back on top after Chicago briefly went ahead.

Gerald Green made four 3-pointers on his way to 18 points, helping the topseeded Celtics return the favor in Chicago after dropping the first two games at home. Al Horford added 15 points and 12 rebounds. Game 5 is Wednesday in Boston.

CHARLES REX ARBOGAST — ASSOCIATED PRESS The Bulls’ Nikola Mirotic pressures the Celtics’ Jae Crowder on April 23.