What are the origins/history of the yellow and red cards in soccer? The sport's color-coded disciplinary system was first introduced in professional soccer during the 1970 World Cup in Mexico.

Twenty thousand of the yellow and red cards went out to every school in the section except for 35 who haven't gotten them yet. This is coming off of 45 spectator ejections last school year and 40 ...

The system of yellow and red cards was officially introduced to the Fifa World Cup in 1970. Before this, players were sent off or given warnings, but without something visual like a card to show ...

Red and yellow cards are less frequent in the Webb Ellis Cup than its football counterpart in Qatar last year but passion can still spill over. 3.