Last time a team went 15-0 or better was Penn in 1892

[SpartanHawk]

Will Clemson or Iowa do that this year? Just one more possible big feat to happen this year. Perhaps a bit early to look at that possible stat, but it is pretty significant that this never happened for a college football team in the 20th century as noted on this wiki page.

Wikipedia: List of undefeated Division 1 football teams