If your an athlete you can do many sports but it is most associated with running.
professional athlete
Utah is not popular in sports... John Stockton.
Steve Prefontaine
Troy Aikman
Brett Favre
Darryl Sittler
Michael Vick
Kobe Bryant
no, it is the participants own choice whether or not they want to become a professional athlete. Most of the time a professional athlete cannot participate in the olympics.
georges st. Pierre
John Madden does he count?