Most Medals and Most Gold Medals at like every Summer Olympics. And Track & Field is a thing for guys that have bad hands.
Biggest sporting league in the world, and it's not even close. The next two are also American sporting leagues.
en.wikipedia.org
USA goes hard in the sports it cares the most about. A little silly to compare a sport like Ice Hockey which is extremely niche on a global scale and either doesn't exist at all or only exists at what is essentially a house league that feeds into a men's league level in most of the notable sporting countries, to something like Basketball which has a very active presence in much of the world.