# of undefeateds looks normal to me.
currently has 9 total, 6 p5, 3 g5.
at this time during last 10 years we had these undefeateds:
2018 - 5 total - 3 p5, 2 g5
2017 -8 total, 6 p5, 2 g5
2016 - 9 total, 7 p5, 2 g5
2015 - 12 total, 8 p5, 4 g5
2014 - 4 total, 3 p5, 1 g5
2013 - 10 total, 8 p5, 2 g5
2012 - 11 total, 10 p5, 1 g5
2011 - 8 total, 7 p5, 1 g5
2010 - 7 total, 6 p5, 1 g5
2009 - 7 total, 4 p5, 3 g5
(i might have missed on p5/g5 breakdown, couldn't remember exactly when utah/tcu/etc changed to p5 confs)
maybe it's just cause it's a lot of new faces with 0 losses so far. bc, cuse, mizzou replaced bama, clemson, osu, etc.