What It Means:

Every NFL player plays through injury during the season. Bortles was at times noticeably bothered by his shoulder, but it's not why he regressed so sharply on 2015. That would be his mechanics. Bortles' health won't matter much if he can't clean up his throwing motion.

Bortles' Passing Net Expected Points per drop back ranks 10th-worst among the 39 quarterbacks with at least 100 drop backs this year.