Soccer, or football as it's known outside ... They must return the ball into play while holding it with both hands and with both feet on the ground. Failure to do so results in a foul throw ...

In soccer, though, tackles are wildly different ... Tackles must be executed with the intent to play the ball, not the player, and should not involve excessive force or reckless behavior.

An offside offense is not called if the player receives the ball from a throw-in, goal kick or corner kick. How is a handball called in Olympic soccer? Except for throw-ins, only goalkeepers may play ...