Let's take some deep breaths after an active weekend across the country and look at the updated ESPN top 25 rankings heading into Week 4. Football Power Index (FPI) college football rankings and computer prediction model are a measure of team strength that predicts a team’s future performance.

ESPN has projected every college football team's chances of making the expanded College Football Playoff. After three weeks, the results are quite compelling. They are as alarming as they are astounding.

Following the Week 3 college football slate in college football, ESPN has updated its FPI rankings. There's a new No. 1 team in town, along with a variety of changes that will shake up the college football world.