Back in the day, we relied on crowd noise and gut feeling to judge the game....

https://blogfreely.net/raymond-cole86/how-defensive-recoveries-stat-reveals-hidden-weaknesses-in-football

Back in the day, we relied on crowd noise and gut feeling to judge the game. Now, with apps and replays, you can double-check that dodgy offside or track every player's run—turns matchday chaos into a semi-scientific project