Ninth-seeded Colorado's upset of No. 1 Oregon State is the top story from the second day of the 2015 Pac-12 Women's Basketball Tournament in Seattle. The Buffs will face No. 4 seed Cal, while No. 3 Stanford takes on No. 2 Arizona State Saturday in the semifinals. Both games can be seen on Pac-12 Networks with free access to Pac-12.com and Pac-12 Now all day.