The Nuggets are in the midst of the franchise's longest losing streak since a 16-game skid in 1998.
Wesley Person added 20, while Pau Gasol scored 13 points and Swift had six blocks.
Juwan Howard, Rodney White and Nene Hilario all had 14 points for the Nuggets.
Memphis outscored Denver 34-20 in the third and was never threatened after that, eventually leading by as many as 20.
Jazz 94, SuperSonics 83
In Salt Lake City, Karl Malone scored 23 points to lead Utah in scoring for the ninth consecutive game as the Jazz snapped Seattle's five-game winning streak.
Andrei Kirilenko scored 11 of his 19 points in the third quarter and pulled down 11 rebounds in his second straight start for Matt Harpring (sprained ankle).
Suns 98, Trail Blazers 92
In Phoenix, Stephon Marbury scored 33 points, his second 30-plus effort in as many nights, as Phoenix beat Portland.
Marbury, coming off a 35-point, 48-minute performance in the Suns' 104-97 victory at San Antonio, topped 30 points for the ninth time in 14 games. He was 12-for-22 shooting and 6-for-6 from the foul line in 46 minutes as the Suns snapped Portland's four-game winning streak.
Shawn Marion sealed the win for Phoenix with the Suns' first four-point play in five years. Rasheed Wallace scored all 22 of his points in the second half for the Blazers.
Kings 96, Timberwolves 95, OT
In Sacramento, California, Chris Webber had 25 points and 11 rebounds to give Sacramento an overtime win over Minnesota.
Garnett scored 27 points and tied his career high with 24 rebounds.
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