Ever wonder to yourself, “How did they decide to use yellow and red cards as symbols of discipline in soccer?”
[ FOLLOW: All of PST’s PL coverage ]
The premise and meaning behind them is quite simple: much like a stoplight, yellow means “use caution, pal, you need to slow your roll,” while red equates to “stop stop stop, you’ve gone too far.”
But where in the world were the first used, and who was so brilliant to come up with the concept?
For that answer, let us take you all the way back to the 1966 World Cup, where a heated match between England and Argentina changed the way the game of soccer is played and officiated to this very day.