David Lombardi Bowl season for Pac-12 contenders begins this Saturday with Utah's clash against Colorado State. How much does each conference team have to prove during this postseason opportunity? Here's our list.1. OregonEvery year, one of the big questions out West revolves around the Ducks' chances of finally grabbing that national championship. Oregon boasts Superman this year, and it's almost certainly Marcus Mariota's last campaign in Eugene. Though their defense suffered a major blow with the loss of Ifo Ekpre-Olomu, the Ducks have their man under center. Originally posted by ESPN.com - Pac-12 Blog Click here to view the article.