Pac-12As one of the most prominent football conferences in the country, the depth and quality of the programs in the Pac-12 allow league teams to compete for national titles on a yearly basis. In its history, Pac-12 teams have been recognized as consensus National Champions 10 different times, most recently with USC earning the distinction in back-to-back years in 2003 and 2004.
https://pac-12.com/content/pac-12-football-national-championships