Greg Townsend Jr. stopped Paul Perkins on third down and UCLA punted.
Nate Starks rushed for five yards in consecutive carries.
USC will have the ball on its own 15-yard line.
Cody Kessler has been under pressure and USC punted for a third time.
Ronald Jones II rushed for four yards before Kessler was forced to throw it away and then followed with an incompletion, under pressure, down field to Steven Mitchell Jr.
UCLA 7, USC 3 -- 3:26 left in the first quarter
Paul Perkins slipped between two tacklers and rushed 19 yards for a UCLA touchdown. The drive covered 52 yards in six plays.
The Bruins found a...