In a word, Week 2 of the college football season was ruthless. If you had a weakness to uncover, an insecurity to exploit, Week 2 exploited it.
If you have an offense you haven't modernized in years, and you haven't developed a particularly good quarterback in a decade (Texas A&M's Jimbo Fisher, Iowa's Kirk Ferentz) ...
If you have a defense that quietly fell apart in the offseason while you were spending all your time fixing your special teams and close-game woes (Nebraska's Scott Frost) ...
If you're a young head coach taking on a big job with an even younger offensive coordinator and a redshirt freshman at quarterback (Notre Dame's Marcus Freeman) .