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Boulder, CO (Sports Network) - Spencer Dinwiddie had a career-high 21 points and added seven assists as Colorado thumped No. 9 Arizona, 71-58.

Xavier Johnson hit four 3-pointers en route to a 19-point, nine-rebound game for the Buffaloes (17-7, 7-5 Pac-12), who have won three straight games and six of seven.

Solomon Hill had 12 points and seven boards while Mark Lyons added 11 points for the Wildcats (20-4, 8-4), who have lost their past two games.