Is Matt Nagy a good play-caller?

Photo by Matthew Stockman/Getty ImagesAs the Chicago Bears learned in 2019, NFL fans are quick to point fingers when their favorite team’s offense implodes. Some will immediately blame the quarterback, others will point to the offensive line, others will blame wide receivers and runningbacks, and many will scrutinize the coaching and play-calling. But while fans can use film study to evaluate player performance, how do we separate a play-caller from the execution of his players?

Simply put, it takes a lot of study.

Thankfully, Bears fans have someone who’s put in the time to learn and map out the entirety of Matt Nagy’s playbook, so much so that he literally wrote a book on the 2018 Chicago…