James Harden netted 33 points as Houston destroyed New York 131-103 in Texas.
Chandler Parsons added a career-high 31, while Jeremy Lin potted 13 points plus seven rebounds and three assists against his former team.
Carmelo Anthony registered a season-high 37 for the Knicks, which lost consecutive games for the first time this season.
Memphis were too good for the LA Lakers as the Grizzlies improved to an NBA-best nine wins and two losses.
The hosts won 106-98 with Rudy Gay and Mike Conley scoring 21 and 19 points respectively.
Zach Randolph weighed in with 17 and 12 rebounds, while the Lakers suffered their fourth away fixture of the campaign.
And, finally, Boston's Paul Pierce posted 22 of his 27 points during the second half as the Celtics edged past Oklahoma City Thunder 108-100 to snap their two-game losing streak.