Bill Walsh used to say that you could tell everything about what a quarterback was about to do by watching his feet. When studying Trubisky's issues throwing to his left, the footwork drags the upper/lower body coordination down and makes him a grossly inaccurate arm-thrower. pic.twitter.com/yobxufxJix

— Doug Farrar ✍ (@NFL_DougFarrar) September 6, 2019