CFB: Penn State, Nebraska, Stanford could fall in Week 1ESPN college football analyst Kirk Herbstreit explains how Temple, BYU and Northwestern could pull off upset victories to start the season.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceESPN college football analyst Kirk Herbstreit explains how Temple, BYU and Northwestern could pull off upset victories to start the season.Add us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Sep 4, 2015 | Modified Sep 4, 2015SI STAFFShare on FacebookShare on XHome/College