Some, like five-time Olympic medalist and four-time all-around World champion Simone Biles, are household names. Others, like holder of 10 world junior records Kliment Kolesnikov, have yet to enter the spotlight. Be they veteran or rookie Olympians, find out who are the Athletes to Watch for the next Olympic Games in Tokyo. For athletes like Biles, Adam Peaty or Jordan Burroughs, Tokyo will be about cementing a legacy. For Kolesnikov, Noah Lyles and Sydney McLaughlin, Tokyo is expected to be their coming out party. Both the veterans and the first timers have a lot to prove.