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

https://telegra.ph/Why-Exit-Velocity-Is-the-New-Currency-of-MLB-Scouting-04-16

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