The days of building a roster based on a gut feeling and a stopwatch are over....

https://johnnysinsightfulthoughts.trexgame.net/the-v-word-demystifying-variance-in-modern-sports

The days of building a roster based on a gut feeling and a stopwatch are over. I’ve covered locker rooms for over a decade, and the shift is stark. We went from basic box scores to Statcast tracking exit velocity and spin rate on every single pitch