2021 Summer Olympics in Tokyo, Japan, kick off on Friday, as athletes from around the world come together to represent their countries in dozens of world-class sporting events. From swimming to sprinting, basketball to badminton, the Summer Games are home to some of the fiercest and most-watchable competition in all types of sports — many of which only get their proper due once every four years. Team USA has led the final medal count in every Summer Olympics since 1996, and many American