In college football's playoff era, only five programs have notched perfect seasons en route to a national championship with Michigan being the most recent in 2023. But now, the parity playoff expansion has brought to the sport -- and the possibility of a team playing as many as 16 games on their way to the title game -- the likelihood of an unblemished campaign is considerably low.

Texas-Ohio State is the showcase contest in Week 1, but there are a few other Top 25 battles that will help to start set the college football hierarchy. For a full list of Week 1 college football betting odds,