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Cal players and fans celebrate around the ax at the end of the game at Stanford University in Stanford, Calif. on Saturday, November 21, 2009. The Cal Bears beat the Stanford Cardinal, 34-28. (Jim Gensheimer/Mercury News)

The film from Oregon's victory over Stanford does not offer any magic blueprint for beating the Cardinal, says Cal football coach Jeff Tedford.

But one thing the Bears can gain from that footage is hope.

Oregon's 53-30 defeat of previously unbeaten Stanford last weekend showed that a team with speed can give the Cardinal problems.

Though Cal enters the Big Game on Saturday as a 19½-point underdog, the Bears' overall athleticism and speed might hold a key to any hopes of an upset.

If Tedford is gleaning much from the Ducks' win at Stanford, he isn't letting on.

"We'll watch it, but we are different," Tedford said. "There's no question we're different than Oregon. We'll watch all (of Stanford's) games and break them down and look at them. We'll see what best fits."

Stanford coach David Shaw had lots of praise for Cal during Monday's Big Game Luncheon in San Francisco, particularly the Bears defense.

"Schematically, it's as difficult a defense to get ready for as we have in our conference because of the variety of looks, because of the way their guys play up front and the way they move so quickly to get from one gap to another," Shaw said.

The Bears lead the Pac-12 in total defense at 319.1 yards allowed per game, including a conference-low 198.8 yards through the air. Cal limited Washington State and Oregon State to a combined 96 yards rushing over the past two games, though neither of those teams is known for a mighty ground game.

But a huge task awaits Cal's defense Saturday.

Not only does the Cardinal boast a Heisman Trophy candidate in quarterback Andrew Luck, it also features a running game that's churning out an average of 215.1 yards per game, second behind Oregon in the Pac-12.

Tedford referred to Luck as "one of the top guys that's ever played in this conference." But he added of Stanford: "We haven't played a team like this yet that lines up and runs the ball downhill like they do."

Still, Cal defensive end Trevor Guyton knows any hopes of slowing Stanford's offense relies on disrupting Luck, who ranks fifth nationally in passer rating at 169.04.

Tedford was pleased with his defense against Washington State and Oregon State but said he would have liked more pressure on the quarterback in those games.

"(Luck) doesn't really have a weak spot," Guyton said. "He's big, he's strong, smart. He's got a powerful arm and he can run. The best thing to do is just hit him -- get him on the ground and kind of make him second-guess himself a little bit. Second-guess his O-line."

Stanford's defense allowed three touchdowns of 40-plus yards against Oregon, and Shaw sees Cal receiver Keenan Allen (6-foot-3, 205 pounds) as one of those tough physical matchups the Cardinal could encounter Saturday.

Allen, a sophomore, ranks eighth nationally in receptions (7.8 per game) and 10th in receiving yards (110.3 per game). On Monday, he was named one of 10 semifinalists for the Biletnikoff Award, given annually to college football's best receiver.

"Not enough people are talking about him," said Shaw, a former receiver himself. "He's having a dominant year. Much like (USC receiver) Robert Woods, there are certain things he does that you can't defense. When a guy's that big and that fast and jumps up and takes the ball away, sometimes there's not much you can do."