Better put your helmet on. Metaphorically.

A football field is called a "pitch."

Getty Images/iStockphoto Ig0rZh

You are not allowed to use your hands in football. The only exception is the goalie, who may use his or her hands and will often wear protective gloves.

Getty Images/Hemera Jordi Lopez dot

FIFA is an acronym for The Fédération Internationale de Football Association. It is the international governing body that oversees professional football.

AFP / Getty Images SEBASTIEN BOZON

Committing fouls in a football game may result in a "yellow card" — a sort of warning penalty. Two yellow cards results in the player's ejection.

AFP / Getty Images JONATHAN NACKSTRAND

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