10,000
90
360 football clubs in 16 leagues
1
1
There are too many to count. There are dozens and dozens of basketball leagues, a few American football leagues, soccer leagues, many baseball leagues, and so on. There is no kept count of professional athletes.
Association of Professional Football Leagues was created in 1946.
Association of Professional Football Leagues ended in 1948.
European Professional Football Leagues's motto is 'Great Football makes Great Things'.
There are millions of football fans in the UK.
127 in all english football leagues
Exactly that: leagues. There is the AFL (Australian Football League), and some lower level leagues: SANFL (South Australian National Football League), WAFL (West Australian Football League), VFL (Victorian Football League), etc.