The caveat with sports is that for many of the sorts of athletes that win major leagues/tournaments, prize money is not their only source of income. As an extre

The caveat with sports is that for many of the sorts of athletes that win major leagues/tournaments, prize money is not their only source of income. As an extreme example Roger Federer recently went over a year without playing a single game and still earned an estimate of $90 million during that time. The caveat to my caveat is of course the winning a major tournament also significantly increases all those other sources of income.