The Mugs or Beer Masters
5 a side football is exactly as it would seem. 5 players on a team on a scaled down pitch.
Duckin Dives or Diving Ducks from the 5 D's of dodge ball.
5 on each team
5 a side refers to the 3 forwards and 2 defensemen only. So it is 5 a side plus the goalie.
5
Galatasaray?
Kickball is a sport that only has 5 players on each team.
pentagon
Did you mean, "What is a good name for a group of 5?" If so, then I would have to say Fab 5 (for an all-girl group of course), or, you can have the name be a quality that all 5 of you have. I think that would be a good name.
Poopoface
Stoke