We used to rely on "gut feelings" and old-school scouting reports to win games....

https://shed-wiki.win/index.php/The_Quant_Takeover:_Why_Modern_Sports_Front_Offices_Are_Building_Data_Empires

We used to rely on "gut feelings" and old-school scouting reports to win games. Now, it’s all about the numbers. Teams went from using zero advanced metrics in the early 2000s to a near-total reliance on data today