No they do not need it.
It is important because soccer players need a shitload of endurance to play
You don't need a degree. You just have to be good at soccer and be noticed by a big soccer team.
6 to 12
you need at least seven(7) players
There are thousands of soccer players.
You will need to have signed a professional contract with a club.
like what soccer license if you mean as referee then yes
Soccer ball, soccer cleats, shin gaurds, soccer socks. A field and a net too.
some soccer players are called professional soccer players