Because you play a game of soccer and play is the verb in the sentence.
The English
Soccer was developed to just have a game to play with your feet.
I play soccer I played soccer Soccer is a game I enjoy watching/playing
The "soccer bible" is a reference to the Laws of the Game, which govern the play of soccer worldwide.
The three basic soccer skills needed in order to play soccer are passing, shooting and dribbling. Once proficient in these skills anyone can play soccer.
Soccer is usually a winter game, but people like to play it all year around.
To learn Croquet you have to learn the rules of Croquet and play accordingly. Soccer is a completely different game.
it has 11players
The usual number of girls that play on the field during a U9 soccer game is 6 players.
Yes you have to play for a soccer club or team to go into big games that are known like at a stadium. But you certainly don't have to be in a club to play a game of soccer with your friends!
There is a great range of calories you can lose in one game of soccer. This depends on whether you play a lot of the game or not.