Mario Chalmers scored 16 of his 29 points in the fourth quarter Monday as the host Memphis Grizzlies held on for a 122-114 victory over the Oklahoma City Thunder. Memphis made 12 of 17 three-point attempts, much out of character for the Grizzlies, who entered the game shooting 29 percent from behind the arc. Brandon Knight had 30 points, 15 assists and 10 rebounds for his first career triple-double as host Phoenix ran past Los Angeles. The Celtics' third consecutive win left the Rockets with a four-game losing streak for the first time since the team dropped seven straight in January 2013. Dirk Nowitzki scored 21 points, including seven in a pivotal stretch late in the fourth quarter, to lead visiting Dallas. Derrick Rose scored 23 points before departing with a sprained ankle and Jimmy Butler added 17 points for host Chicago. Indiana's Paul George scored 26 points, but missed a potential winning shot as time expired. Pacers center Myles Turner is expected to miss six weeks after the rookie had surgery to repair a chip fracture in his left thumb. ... Bucks forward Jabari Parker will miss the team's upcoming three-game trip because of a sprained right foot.