Who's Better, Who's Best in Coaching?

Ranking the best coaches in NFL history is no easy task. How do we decide which coach had a bigger on-field impact? Or the best tactical skills, both defensively and offensively? Not to mention measuring the strength of what a coach does behind the scenes, how he motivates his players, or how he keeps them from cracking under the pressure. Is the “Hoodie” the greatest coach ever, or just lucky to ...