(THE SPORTS XCHANGE) - Visiting Boston hit the 50-win plateau for the first time in six seasons with a wire-to-wire 110-94 win over the New York Knicks.
The victory enabled the Celtics to maintain their narrow first-place Eastern Conference lead over the Cleveland Cavaliers.
Isaiah Thomas led the Celtics with 19 points and six assists in just 23 minutes as the Boston starters were rested in the fourth quarter.
New York lost its 11th game this season by a margin of 15 points or more.
Kawhi Leonard scored 19 of his 25 points in the third quarter to lead San Antonio over visiting Utah Jazz 109-103.
Leonard hit all three of his three-point shots after missing 19 of 21 - including 17 straight - in the previous three games. Tony Parker chipped in with 21 points for the Spurs.
With the loss, the Jazz lead the Los Angeles Clippers by a half-game for the no. 4 seed in the Western Conference play-offs.
Boris Diaw and Rudy Gobert led Utah with 19 points each.
D'Angelo Russell scored 28 points to help the Los Angeles Lakers end a four-game skid with a 108-103 win over the Memphis Grizzlies.
Mike Conley and Troy Daniels scored 20 points each for Memphis, who remain 1 1/2 games behind the Oklahoma Thunder for the sixth seed spot in the Western Conference.
The Grizzlies played without Marc Gasol (left foot strain), Vince Carter (rested), JaMychal Green (left shoulder soreness) and Andrew Harrison (right ankle injury).
Harrison Barnes scored 13 straight points in the fourth quarter and finished with 31 as Dallas held on to snap a four-game losing streak in a 109-105 win over the Milwaukee Bucks.
Barnes hit nine of 13 shots, including three three-pointers, and was a perfect 10 of 10 from the free-throw line.
Giannis Antetokounmpo led Milwaukee with 31 points, 15 rebounds and nine assists.
The Mavericks played without Dirk Nowitzki down the stretch after he left the game with a sore right Achilles' tendon.