I spent a decade in press boxes listening to managers preach "gut feelings"...

https://alpha-wiki.win/index.php/The_Hidden_Lab:_How_Pitch_Design_Software_Rewrote_the_Rules_of_Baseball

I spent a decade in press boxes listening to managers preach "gut feelings" while front offices crunched the numbers in the back. The game has changed for good. Back in 2000, only 23% of teams used full-scale data departments, but today it’s 97%