Issues to consider heading into the 13th week of games.

Is QB Matt Barkley going to put on a big show in his final game at USC? Or is this not going to he Barkley's last game at USC? In any event, UCLA's only chance to win this game is if Barkley is off, which he hasn't been of late. And, if Barkley throws another four TD passes or so, does he deserve some Heisman Trophy consideration? Or at least, does he have a chance to steal All-Pac-12 first-team honors from Andrew Luck?

Andrew Luck answers his critics: Notre Dame is always a big show, so if Andrew Luck turns in a big-time performance after a couple of shaky -- read: merely good -- outings, it's likely he gets his Heisman Trophy campaign back on track. The Irish defense is good enough to challenge Stanford. Barring Oregon losing the Civil War, this will be Luck's last game in Stanford Stadium. Will he put on a show?

Does Oregon State have any chance in the Civil War? Oregon is a four-TD favorite over Oregon State. The Ducks appear headed to a third consecutive Pac-12 title and BCS bowl game, while the Beavers are headed toward a second-consecutive losing season. That combination has Oregon State fans a tad grumpy. So, can the Beavers come into Autzen Stadium and challenge the Ducks? It will take a perfect game. But Oregon State's beating Washington last weekend showed that the Beavers still have some fight and can't be completely written off.

Does Arizona State have any fight left? Speaking of teams with dubious fight, there's Arizona State. The Sun Devils collapse has been odd because their three consecutive embarrassing losses, nonetheless, haven't stopped this from being true: The Sun Devils are still in the Rose Bowl hunt. If Arizona State wins and UCLA loses and Utah wins this weekend, the Sun Devils win the South Division and play for the Pac-12 title on Dec. 2. But after three consecutive defeats, it doesn't appear the Sun Devils care much. Maybe they will be motivated by the 50-17 humbling they suffered at Cal last season. Or maybe they'll just wake up and play up to their capabilities. Or maybe they'll just stink it up and watch coach Dennis Erickson walk away.

John White, John White, John White: At this moment, you could make an argument that Utah running back John White is the best running back in the Pac-12. Yes, better than Oregon's LaMichael James and better than Washington's Chris Polk. White leads the conference with 1,377 yards rushing and is second with 14 TDs, ahead of both James and Polk. Anyway, suffice it to say, White is really good even though the opposing defense knows White is coming because the Utes don't throw much. Colorado has the worst run defense in the conference. That's trouble. Two hundred rushing yards for White might guarantee him first-team All-Pac-12 status.

Nick Holt vs. Marshall Lobbestael: Washington's defense was supposed to be good this year. It hasn't been. Nick Holt is the Pac-12's highest paid defensive coordinator not named Monte Kiffin. Marshall Lobbestael is Washington State's No. 3 QB. He started the season as Jeff Tuel's backup, played well while Tuel was hurt, then was displaced by talented freshman Connor Halliday. But both Tuel and Halliday are hurt for the game, and the gritty Lobbestael now faces Holt's defense. Who wins?

Arizona reaction on Rodriguez week: Arizona notched a huge win over rival Arizona State last weekend. It was emotional and surely satisfying during a lost season. But now the Wildcats have to get up for another game against Louisiana-Lafayette. How will the Wildcats respond after an emotional win, playing against an opponent that won't inspire much awe, but one that is -- oh, by the way -- 8-3. Will there be any reaction to the hiring of Rich Rodriguez? The Wildcats new coach is watching, and he likely will raise an eyebrow at players who step up. And those who don't.