USC beats Oregon State, reaches Pac-12 semifinals for first time since 2011

LAS VEGAS, NV – MARCH 08: Jonah Mathews #2 of the USC Trojans brings the ball up the court against the Oregon State Beavers during a quarterfinal game of the Pac-12 basketball tournament at T-Mobile Arena on March 8, 2018 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)LAS VEGAS, NV – MARCH 08: Chimezie Metu #4 of the USC Trojans is guarded by Alfred Hollins #4 and Ethan Thompson (R) #5 of the Oregon State Beavers during a quarterfinal game of the Pac-12 basketball tourname