Board Thread:Questions and Answers/@comment-4726368-20130525113326/@comment-2108497-20130527135535

"eleven" is generally added after any team name, referring to the fact that a soccer team is constituted of eleven main players. In the series it's been attached to many other team names as well.

Raimon's name is just Raimon and you can see it clearly written in the game, if you want to quickly check for yourself.