The USC Trojans (2-0, 1-0 Pac-12) handed Stanford football (1-1, 0-1 Pac-12) its first loss of the season, as the Trojans took advantage of Stanford mistakes en route to a dominating road victory. It could not have gotten off to much worse of a start for the Cardinal. On the third play from scrimmage, junior quarterback Tanner McKee overthrew junior tight end Benjamin Yurosek and the ball tipped…