also worth noting that most of the big US sports started as college sports football, basketball, vollyball, etc. were creations invented at and for universitie

also worth noting that most of the big US sports started as college sports football, basketball, vollyball, etc. were creations invented at and for universities. they're still big there, and they're the core of the sports in many cases. e.g. the "ivy league" is literally a sports league.