Quarterback Garrett Nussmeier threw for 304 yards and two touchdown passes, but a late score from Southern Cal lifted the Trojans past LSU on Sunday night in Las Vegas, 27-20. Nussmeier found his rhythm quickly with two consecutive 15-yard receptions to junior receiver Kyren Lacy, moving the ball passed midfield in the opening minute of play. On 4th-and-2 from the LSU 39, Nussmeier found Lacy again for a three yard pickup to move the chains. Nussmeier then found junior tight end Mason Taylor for a 13-yard gain to move the ball to the Trojan 20. However, on 4th-and-3 from the USC 3-yard line, t…