In compiling this list of ten rich athletes who retired at the top of their games, a maximum of one man and woman per sport was included. For deceased sportsmen, their listed net worths were based on how valuable they were at the time of their deaths, the amounts correspondingly adjusted for inflation.
10. Ned Jarrett / NASCAR / Net Worth: $5 Million
http://www.therichest.com/sports/10-rich-athletes-who-retired-at-the-top-of-their-games/