Stacking the bowl QBs by pro potential (regardless of class)

Who is the best quarterback in the draft? (3:37)

Todd McShay and Mel Kiper Jr. break down where Josh Rosen, Baker Mayfield and Sam Darnold fall on the draft board. (3:37)

Using PFF grades, stats and some projection, here's a look at the pro potential of the starting bowl quarterbacks. Although many of the signal-callers are not yet draft-eligible, many have already shown areas for optimism and others for concern, and it's never too early to look ahead to the prospects in future classes (data available for FBS quarterbacks only):

1. Baker Mayfield, Oklahoma (Sr., 6-1, 220)

Yes, we have Mayfield ranked slightly higher than some evaluators, but what he lacks in prototypical size, he more than makes up for with other NFL traits such as accuracy and his ability to handle pressure. He earned the top overall PFF grade for the second year in a row, and his 82.6 percent adjusted completion percentage is the best we've seen in four years of data.

Bowl matchup: vs. Georgia, 5 p.m. Jan. 1, College Football Playoff at the Rose Bowl Game Presented by Northwestern Mutual, ESPN

2. Sam Darnold, USC (Soph., 6-4, 220)