What are the 15 best QB situations in college football?

Clemson's Deshaun Watson was dominant last year, giving the Tigers arguably the best quarterback group in the country. Streeter Lecka/Getty Images

Editor's note: This article was adapted from Phil Steele's college football preview magazine, which is available here.

Deshaun Watson... Baker Mayfield... Chad Kelly: What an impressive list of quarterbacks who'll be running around college football fields this fall.

But which team has the best quarterback unit in the country? And which top 25 teams (looking at you, Alabama and Michigan) have their fingers crossed that an underwhelming QB group won't derail big-time hopes for 2016?

Here's how the nation's top 50 quarterback situations break down.