Randolph went 12-of-18 from the field and Sam Young added 14 points for the Grizzlies, who strengthened their hold on the eighth and final Western Conference playoff spot while avoiding a three-game losing streak.
Mike Conley contributed 13 points and five assists for Memphis, which went 6-of-12 from 3-point range.
Eric Bledsoe led the Clippers with 19 points and all-star rookie Blake Griffin was held to eight points and nine rebounds in the second loss in seven games for Los Angeles.
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