Some of the teams we think are the best in the country haven't truly been tested yet — cough, Ohio State, cough — but we're definitely learning a lot about teams that should be in contention for College Football Playoff come December.

Meanwhile, the SEC's battle of Alabama vs. Georgia highlights a robust slate with major conference and playoff implications.

College football’s Week 4 didn’t have any truly stunning upsets, but we got to know more about the teams that should be in College Football Playoff contention at the end of the year. Some teams aren’t out of it,