GM Ryan Poles surprised many people when he selected Matt Eberflus as the Chicago Bears’ new head coach. For one, he was a defensive-minded guy. The team had a young quarterback, Justin Fields, who needed development. Entrusting that to somebody with zero background on that side of the ball felt like a risk. For another, Eberflus had zero previous head coaching experience. Poles passed over someone like Dan Quinn, who’d taken Atlanta to a Super Bowl, to hire the man.
When asked, the...