in FOOTBALL the first choice goalie traditionally wears the number 1 shirt.But there is no rule that prevents any other player in a different position on the pitch from wearing the number 1 shirt.
not many because most players are 1-11.
Hicham Zerouali and Steve Cronin, both used number 0 just for 1 season
Goalkeepers usually wear jersey number one 1.
Player, the keeper is normally #1
Kaka, who plays for AC Milan is currently the number 1 player in the world and was voted FIFA World Soccer Player of the Year
The player who wears number 55 for the Buffalo Sabres is Jochen Hecht.