Impossible to answer. The Mayan civilization had atheletes that competed for sacrfices to the gods. The pay seems to be horrible, but it fits the definition. Who's to say that other cultures didn't do the same? The Olympic games go back to the BC era, and some of them were supported so that they could train full time for the games. This too fits the definition.
Jim Torpe was the first duel sport athlete ...
The first black pro athlete was Bill Richmond. He was a boxer and began in 1777.
Ilie Nastase, the first professional athlete to sign with BRS/Nike Wikipedia.org
Lou Gehrig was the first professional athlete to appear on the "Breakfast of Champions" box, in 1934.
You have a .00565% chance of becoming a professional athlete.
Athlete who does it for a living.
That athlete is called a professional.
The average weight in a professional athlete all depends on who the athlete is playing for and where they are playing. They have some athlete's who only sit on the bench. This also depends on the weight and height of the athlete.
How much a professional athlete makes each year depends on how well he or she does in that sport and how many sponsors and advertisers work with the athlete. A professional athlete has the potential to make millions of dollars per year.
jessica ennis is a profetional athlete