Photos: Washington 16, USC 13

USC defensive backs Will Harris (26) and Josh Pinkard deflect a pass in the end zone intended for Washington tight end Chris Izbicki in the second quarter Saturday.  (Wally Skalij / Los Angeles Times)

USC tailback Joe McKnight is tackled by the Huskies’ Justin Glenn after a big gain in the first quarter Saturday.  (Wally Skalij / Los Angeles Times)

USC fullback Stanley Havili is tracked down by Washington‘s Justin Glenn on a 37-yard pass play in the first quarter Saturday.   (Elaine Thompson / Associated Press)

USC safety Taylor Mays warmed up but was unable to play against Washington on Saturday because of a lingering knee injury.   (Wally Skalij / Los Angeles Times)

Washington‘s Justin Glenn (20) dives on a fumble by USC’s Stafon Johnson in the second quarter Saturday.   (Wally Skalij / Los Angeles Times)

USC quarterbacks Matt Barkley (7) and Aaron Corp (15) try to regroup on the sideline after a turnover in the second quarter Saturday.  (Wally Skalij / Los Angeles Times)

USC tailback Joe McKnight grabs his knee after getting knocked out of bounds in the second quarter Saturday.   (Wally Skalij / Los Angeles Times)

Washington quarterback Jake Locker looks downfield for a receiver as he scrambles from the pocket against USC on Saturday.  (Wally Skalij / Los Angeles Times)

USC’s Jurrell Casey gets past Washington lineman Ryan Tolar to force quarterback Jake Locker to fumble in the first half Saturday.  (Elaine Thompson / Associated Press)

USC fullback Stanley Havili fumbles the ball at the Huskies’ 15-yard line in the third quarter Saturday.  (Wally Skalij / Los Angeles Times)

USC’s Charles Brown recovers a fumble by Joe McKnight in front of Washington‘s Vonzell McDowell Jr. in the third quarter Saturday.  (Wally Skalij / Los Angeles Times)

Washington quarterback Jake Locker (10) and receiver Jermaine Kearse celebrate a third-down conversion deep in USC territory in the fourth quarter Saturday.   (Wally Skalij / Los Angeles Times)

USC quarterback Aaron Corp scrambles toward the sideline away from Washington‘s Talia Crichton in the third quarter Saturday.   (Wally Skalij / Los Angeles Times)

Huskies receiver D’Andre Goodwin is brought down by USC defenders after a gain in the fourth quarter Saturday.  (Wally Skalij / Los Angeles Times)

The Huskies’ Desmond Trufant knocks the ball from USC receiver Damian Williams in the third quarter Saturday. Trufant was called for pass interference, though.  (Wally Skalij / Los Angeles Times)

Washington‘s Donald Butler and Cameron Elisara celebrate near intended receiver David Ausberry after making an interception in the third quarter Saturday.  (Wally Skalij / Los Angeles Times)

Washington Coach Steve Sarkisian, a former offensive coordinator for USC, calls a play on Saturday afternoon.   (Wally Skalij / Los Angeles Times)

Washington‘s Quinton Richardson knocks the ball from the grasp of USC tailback Joe McKnight, who had covered 34 yards on the play in the fourth quarter. USC would recover the ball and kick a tying field goal.   (Wally Skalij / Los Angeles Times)

USC’s Nick Perry sacks Huskies quarterback Jake Locker in the third quarter Saturday.  (Wally Skalij / Los Angeles Times)

USC defensive back Josh Pinkard and Washington‘s D’Andre Goodwin have a few words to share in the fourth quarter Saturday.  (Wally Skalij / Los Angeles Times)

USC defensive end Wes Horton deflects a pass by Washington quarterback Jake Locker in the fourth quarter Saturday.  (Wally Skalij / Los Angeles Times)

Washington receiver James Johnson makes a critical third-down reception in front of USC’s Kevin Thomas to keep the winning drive alive Saturday.   (Wally Skalij / Los Angeles Times)

Huskies kicker Erik Folk and teammates celebrate the game-winning field goal against USC with three second left on Saturday.  (Wally Skalij / Los Angeles Times)

Washington kicker Erick Folk celebrates with holder Ronnie Fouch after making the game-winning field goal with three seconds left against USC on Saturday.  (Wally Skalij / Los Angeles Times)

A Washington fan perches himself on a goal post after the Huskies upset third-ranked USC, 16-13, on Saturday.   (Wally Skalij / Los Angeles Times)

Tailback Joe McKnight leaves the field after USC was defeated, 16-13, by Washington on Saturday.  (Wally Skalij / Los Angeles Times)