Sport: Yellow and red cards in football were introduced at the…

Question

Did you know? Yellow and red cards in football were introduced at the 1970 World Cup in Mexico by referee Ken Aston. He was inspired by traffic lights. Before that players never knew exactly when they were warned or sent off. Pre-1970 many fights broke out from verbal misunderstandings between referees and players.

Accepted Answer

Yellow and red cards in football were introduced at the 1970 World Cup in Mexico by referee Ken Aston. He was inspired by traffic lights. Before that players never knew exactly when they were warned or sent off. Pre-1970 many fights broke out from verbal misunderstandings between referees and players.

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