The conversation started recently Donald Fehr, executive director of the Major League Baseball Players Association since 1986, announced he would step down next year. As leader of sports' most powerful union, Fehr has to be considered one of the most influential sports figures ever, doesn't he?
Trying to settle on a list of those who have had the most impact in sports is brutally difficulty.
Fans' tastes are all over the place. Eras also differ, so the impact made by, say, Babe Ruth is different from the one made by, say, Tiger Woods. With television, advertising and the Internet, sports evolve almost by the minute. So those in recent years leave more fingerprints than those in the early 20th century. But here is one list of the 10 most influential figures over the past 50 years.