BERKELEY - Lucas Siewert scored 18 points and Tyler Bey had 17 points and 14 rebounds as Colorado beat Cal 68-59 on Thursday night despite squandering all of an 18-point second-half lead.

Shane Gatling added 13 points for the Buffaloes (11-7, 2-4 Pac-12), who led 41-23 two minutes into the second half before watching the Bears rally to briefly lead with seven minutes left.

Colorado's big lead disappeared after a flurry of Cal 3-pointers, including three by Darius McNeill and two by Matt Bradley.

Cal took a 54-53 lead on two free throws by Bradley with 7:04 left but Colorado answered with a 7-0 run to regain the lead for good.

The Bears (5-14, 0-7) lost their eighth game in a row and dropped their 14th straight Pac-12 regular-season game, dating back to last season.

Paris Austin and Justice Sueing scored 13 points each to lead Cal.

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Cal: The Bears are home Saturday against Utah (10-8, 4-2).