Soccer (or Football) is a sport played between two teams. Commonly it is usually called football, but in some countries, for example USA and Canada, it is called soccer. In Japan, New Zealand, Australia... both words are usually used.
It is considered to be the most popular sport in the world. In every team there are 11 players. 10 of them play on the field and one is the goalkeeper. The game is played by kicking a ball hooked on the opponent's goal. A game has 90 min play, with a rupture of about 15 minutes in the centre.