No. 6 Washington (4-0, 1-0 Pac-12) at Oregon State (1-3, 3-1), Saturday, 8 p.m. EDT (Pac-12 Network)

Line: Washington by 26 1/2.

Series record: Washington leads 62-34-4.

WHAT'S AT STAKE

Washington is allowing opponents just 11.8 yards a game to rank 10th in the nation in scoring defense. The Huskies' D is allowing an average of just 274 yards a game and they've forced seven turnovers. Oregon State is coming off a bye and will start Darell Garretson at quarterback for the first time this season following Jake Luton's injury.

KEY MATCHUP

Washington's defense against Oregon State's running game. The Beavers' strength this season was expected to be a strong rushing game behind Ryan Nall, who emerged against Washington State two weeks ago with 118 yards and two touchdowns. But overall Oregon State is ranked 92nd in the nation with an average of 135.3 rushing yards a game.

PLAYERS TO WATCH

Washington: WR Dante Pettis returned a punt for a touchdown in each of Washington's first three games this season and he has tied for the NCAA record with eight career punt returns for a score.

Oregon State: QB Garretson. He was the Beavers' starter in the team's first six games last season before he broke his ankle against Utah on Oct. 15. He finished with 617 yards, three touchdowns and four interceptions. He was pressed into a starting role after Luton sustained a thoracic spine fracture two weeks ago against the Cougars.

FACTS & FIGURES

Washington has won five straight in the series and the team has averaged 43.8 points in those five games. Huskies RB Myles Gaskin rushed for a career-high 202 yards and 2 TDs last weekend in a 37-10 victory over Colorado. ... Oregon State has two byes this season. ... Washington offensive coordinator/quarterbacks coach Jonathan Smith played at Oregon State from 1998-2001, and started for the team that won the 2001 Fiesta Bowl. ... Oregon State has been in the red zone nine times, scoring eight touchdowns and a field goal.

___

More AP college football: http://collegefootball.ap.org and http://www.twitter.com/AP_Top25