STANFORD, Calif. -- Stanford coach David Shaw has run out of ways to describe star running back Christian McCaffrey, who again stole the show while helping the No. 10 Cardinal beat Washington 31-14 on Saturday night at Stanford Stadium.

"I'm at a point where I don't know what else to say -- just watch him," Shaw said. "He never gets tired, and it's fun to call plays for him because you don't have to be perfect."

McCaffrey, who entered the weekend leading the nation in all-purpose yards, added 300 on Saturday for Stanford (6-1, 5-0 Pac-12), which has won six straight and is the only Pac-12 team unbeaten in conference play.

It sets up a critical game for Stanford next week at Washington State, which is 5-2 overall and 3-1 in the conference, alone in second place in the Pac-12 North.

The Cardinal's defense benefited from the fact that the Huskies were without their starting quarterback. But the Stanford offense doesn't need any help to score points these days.

Washington (3-4, 1-3) entered the game leading the Pac-12 in total defense and scoring defense, but Stanford rolled up 478 yards and became the first team this season to score more than 30 points against the Huskies.

"We're in a rhythm, and I think we're hard to predict right now," Stanford quarterback Kevin Hogan said.

Stanford has scored more than 30 points in every game since its inexplicable 16-6 loss to Northwestern in the opener.

"That seems like a long, long time ago," McCaffrey said of the Northwestern game. "But we don't want to forget it. We still have a chip on our shoulder about that game."

McCaffrey, who ran for a school-record 243 yards in the Cardinal's Oct. 15 victory over UCLA, had 109 yards rushing against Washington, his fifth straight game of 100 yards or more. He also had his fifth straight game of more than 200 all-purpose yards, with 112 yards coming on five receptions Saturday.

McCaffrey is the first Stanford player since Glyn Milburn in 1991 to have at least 100 yards both rushing and receiving in a game.

Hogan, who has been bothered much of the season by an ankle injury, was 17 of 24 for 290 yards, two touchdowns and one interception.

"This was the first week when I really felt I could move around," Hogan said.

Washington was limited offensively because of the absence of quarterback Jake Browning, who had started the Huskies' first six games but missed Saturday's game with a shoulder injury.

Redshirt freshman K.J. Carta-Samuels, who had attempted three passes and completed only one before Saturday, was the Huskies' starting quarterback against the Cardinal and struggled early in the game.

"He played hard, but he had an up-and-down game," Washington offensive coordinator Jonathan Smith said. "In the first half, on third down -- and it wasn't all his fault -- but we didn't convert a third down in the first half -- pretty ugly."

Canta-Samuels was 3-of-10 passing for 17 yards in the first half and finished 9 of 21 for 118 yards and no scores and no interceptions.

"He did some good things," Washington wide receiver Dante Pettis said. "It's hard just to throw him in there in the middle of the season like that."

The one bright spot for Washington was running back Myles Gaskin, who had 108 yards rushing to become the first Washington true freshman to have three consecutive games of more than 100 yards on the ground. But even he had respect for Stanford.

"Disciplined, very disciplined," he said of the Cardinal.

The Cardinal dominated the first half, which ended with Stanford leading 17-0.

Stanford outgained Washington 241-58 in the first two quarters and had 14 first downs compared with two for the Huskies. The Cardinal took the opening kickoff and marched 62 yards in six plays for a touchdown to take a 7-0 lead and was never threatened thereafter.

Washington cut its deficit to 17-7 on its first possession of the second half. Gaskins carried the ball on all five plays of the 57-yard drive, including a 14-yard touchdown run.

But Stanford regained its 17-point lead on Hogan's 50-yard touchdown pass to McCaffrey, and a 7-yard McCaffrey scoring run increased the Cardinal's lead to 31-7.

NOTES: Washington QB Jake Browning reportedly suffered a shoulder injury last week against Oregon, and it was not revealed until Saturday whether Browning, K.J. Carta-Samuels or Jeff Lindquist would be the Huskies starting quarterback against Stanford. ... Huskies S Brian Clay was suspended for the first half of Saturday's game after being ejected for targeting in the fourth quarter of last week's game. ... Stanford LB Kevin Anderson missed his fourth straight game because of an undisclosed injury. ...Stanford entered Saturday night's game having won 25 straight home night games, the longest active streak among FBS teams. ... Cardinal RB Christian McCaffrey was the nation's leader in all-purpose yardage heading into the weekend.