Today's NFL quarterbacks are asked to do so much every Sunday, and the best ones are often elite in multiple traits. Reading the field and finding weaknesses in the defense. Airing out deep shots for huge gains. Making precision passes on the move outside the pocket. Driving their teams downfield when the game is on the line. Picking up first downs on the ground when plays break down. But how do the top signal-callers in the league compare in each skill area? How do the NFL's best of the best stack up by specific traits and abilities?