I spent a decade in press boxes watching "gut feelings" dictate play-calling....

https://codysinsightfulinsight.lowescouponn.com/the-black-box-and-the-sideline-how-teams-turn-gigabytes-into-wins

I spent a decade in press boxes watching "gut feelings" dictate play-calling. Now, it’s all about the math. We went from zero teams using advanced shift data to almost everyone basing their defense on it