Cal will face Colorado on Wednesday in its opening game of the Pac-12 tournament at T-Mobile Arena in Las Vegas.
The Bears and Buffaloes will meet at 2:30 p.m. on Wednesday.
The Buffaloes (19-11, 10-8) finished tied for fourth place with Oregon State and Oregon in the final Pac-12 standings, but OSU won the tiebreaker because of its 76-74 win over CU in the only meeting between the teams.
Colorado earned the No. 5 slot because it's head-to-head win over Oregon.
The Bears (8-22, 3-15) have won three in a row since losing a school-record 16 straight games, but Colorado will be a tough opponent.
The Buffaloes have won three in a row and eight of 10 since starting the conference with a 2-6 record. Their 8-2 finishing burst was their best in conference play since 1961-62. During this season's final stretch, the Buffaloes own wins over Oregon, Arizona State, Arizona, Utah and two each against USC and UCLA.
They beat Cal 68-59 in their only meeting this season Jan. 24 at Cal. Justice Sueing and Paris Austin each had 13 points, but the Bears shot just 39 percent and were outrebounded 32-20.
Colorado is led by sophomore point guard McKinley Wright IV (12.9 PPG, 4.9 RPG, 5.0 APG) and forward Tyler Bey (13.2 PPG, 9.6), one of the hottest players in the Pac-12. The 6-foot-7 sophomore has 14 double-doubles and is averaging 17.7 points and 12.0 rebounds the past seven games.