Claim: The National Soccer League was a top-level soccer league which is a team sport played with a spherical ball between two teams of  250 players.
Evidence: The National Soccer League (NSL) was the top-level soccer league in Australia, run by Soccer Australia and later the Australian Soccer Association. Association football, more commonly known as football (especially in countries where association football is the only popular code of football) or soccer (originally also spelled foot-ball), is a team sport played with a spherical ball between two teams of 11 players.