Pac-12 Networks' Yogi Roth looks ahead to Saturday's clash between No. 19 Colorado and USC. The Buffs, the Pac-12's lone undefeated team, roll into Los Angeles with emerging Heisman hopeful Laviska Shenault, but the Trojans are rested coming off a bye week and looking to derail CU. Check out "The Pregame" live from USC on Saturday, Oct. 13 at 3 p.m. PT/4 p.m. MT on Pac-12 Network.