MEMPHIS, Tenn. -- Courtney Lee scored 18 points and the Memphis Grizzlies beat the Minnesota Timberwolves 90-68 on Sunday night to remain unbeaten in the preseason.

Tony Allen finished with 13 points, while Marc Gasol and Mike Conley added 12 apiece for Memphis (5-0).

Gorgui Dieng led the Wolves with 12 points.

TIMBERWOLVES: Kevin Garnett hit all four shots from the field in the first half, finishing with eight points. . Nikola Pekovic did not play, continuing to recover from right Achilles surgery.

GRIZZLIES: Lee was 3 of 4 from 3-point range. . Zach Randolph was the only Memphis starter who didn't reach double figures, recording four points.

RUBIO RETURN: Minnesota point guard Ricky Rubio saw his first preseason action after missing the first four games recovering from a strained right quadriceps. Rubio played 23 minutes, but did not score.

SEVEN SIT: The Grizzlies sat seven players: Jeff Green, Matt Barnes, Brandan Wright, Beno Udrih and Vince Carter, plus Jarell Martin and Jordan Adams, who are recovering from injuries.

UP NEXT: Minnesota faces the Bucks on Tuesday in Madison, Wisconsin. Memphis travels to Atlanta on Wednesday.