As we all know by this point, the Pac-12 went 6-1 this past weekend against teams from BCS conferences. Three of those victories were against Big Ten opponents and three were against ranked teams.

But was any one more impressive than the other? That's the question today.

Here are your choices:

Arizona: One of three Pac-12 teams to notch a win over a ranked opponent, the Wildcats outraced No. 18 Oklahoma State 59-38. Arizona seems to have quickly taken to Rich Rodriguez's offense and Matt Scott leads the conference (fourth nationally) in passing yards.

Arizona State: The Sun Devils plowed Illinois 45-14 with Taylor Kelly tossing a touchdown and 249 yards and Michael Eubank throwing a pair of scores. ASU has posted 108 points in its first two games. The defense is playing solid and the two-QB system seems like it's working.

Oregon State: The Beavers did it with defense, shutting down No. 13 Wisconsin -- and Heisman candidate Montee Ball -- to claim a 10-7 victory. Oregon State had two weeks to prepare for the Badgers. And because of the early bye, the Beavers will get two weeks to prepare for this team...

UCLA: It was a combination of offense and defense that got it done for the Bruins -- led by another 200-plus yard rushing performance from Johnathan Franklin in the 36-30 win. The Bruins gutted a supposedly stout Nebraska defense, while Datone Jones tallied a huge safety to put the Bruins ahead for good.

Stanford/USC: The Cardinal bounced back with a fairly dominating performance over Duke. Ed Reynolds picked up his second and third interceptions of the year. USC crossed the country and dealt with inclement weather, but Matt Barkley still tossed six touchdowns.