The NFL has way more members(by that you mean players) than any other sport.
The record for the most championships in professional sports is held by the Boston Celtics, with a total of 17 NBA championships.
France's most popular sports are Rugby Union, Cycling, Tennis, Association Football, and Petanque ( a form of bowls)
the kardashians
The most popular sports in the us are football baseball and basketball.
Most likely Professional Association
the soccerroos
2.
Sunflower seeds
The American Bar Association, which is an association of lawyers.
Most are trained lawyers .
No. The vast majority of high school sports players will not have a career in professional sports.
New York City