But you said "qualifying players", which implies that there is some qualifier. What is that qualifier? And Moneyball didn't show us that all knowledge and exp

But you said "qualifying players", which implies that there is some qualifier. What is that qualifier? And Moneyball didn't show us that all knowledge and experience was wrong. We didn't all of a sudden start recruiting marine biologists to become baseball players. The old "common sense" still stood. It's just that resources were reallocated in a very technical, wonkish way. It's not like someone would look at you like you were crazy if you said "hey, we should pay more attention to on-base percentage than we do now, and maybe we could win with lower salaries". It was, at best, a minor revolution in baseball asset allocation.