The USC Trojans have fallen behind the Oregon Ducks, 14-3, after the first quarter of play at the L.A. Coliseum on Saturday evening.

Oregon struck quickly to open the game, moving the ball 75 yards in one minute as Marcus Mariota completed 4-4 passes for 68 yards. The Ducks finished the drive when De'Anthony Thomas scored on a 16-yard touchdown pass.

The Ducks scored again with just less than five minutes left in the quarter when Mariota hit Josh Huff on a 21-yard touchdown pass to cap another 75-yard drive.

USC's only response came midway through the quarter. Matt Barkley led the Trojans on a 12-play, 66-yard drive, but couldn't find the end zone. Andre Heidari put through a 39-yard field goal to finish the drive.

Oregon racked up 203 yards of offense in the first frame, with Mariota going a perfect 7-for-7 for 117 yards and two touchdowns. Barkley was 8-of-12 for 83 yards and an interception. The first quarter ended with Oregon at USC's 15-yard line.