Kyle Fogg made three of Arizona\'s nine 3-pointers Friday and scored 22 points in leading Arizona past Oregon State 72-61 in the Pac-12 semifinals. The Wildcats ended the Beavers\' tournament run as the No. 9 seed after Oregon State had knocked off No. 8 Washington State and regular-season champion Washington. No. 4 seed Arizona will take on Colorado in Saturday\'s title game. The Buffaloes defeated California in the second semifinal 70-59 and reached the championship contest as the No. 6 seed. Colorado will be trying to earn the Pac-12\'s automatic berth in the NCAA Tournament in its first season in the league. After building an early eight-point lead, Arizona managed just one point in a stretch of 6:30 while Oregon State was rallying to a seven-point halftime advantage. The Wildcats then outscored the Beavers 45-27 in the second period to win for the ninth time in 11 games. Arizona defeated Oregon State by eight in their only regular-season meeting. Jesse Perry added 16 points and 11 rebounds for Arizona (23-10) and Solomon Hill had 12. Oregon State (19-14) was led by Roberto Nelson off the bench with 19 points. Colorado took the lead for good against California with 8 minutes to play and quickly expanded its advantage to 13 points. Carlon Brown and Andre Roberson both had 17 points for the Buffaloes (22-11), who moved to the Pac-12 this school year from the Big 12 Conference.