Quotes Whittingham as saying there's no bad blood between the schools, they feel like it's the same as any other game in the PAC-12. The thing that stuck out to me: in discussing the lack of rivalry between Colorado and Utah, BYU is never mentioned. Not as a current or even former rival. Just kind of odd, IMO.

http://espn.go.com/blog/pac12/post/_/id/95390/colorado-utah-a-long-way-from-being-considered-a-rivalry