Yellow and red cards
A yellow card is meant as a warning for offenses such as reckless challenges, time wasting, unsporting behavior, or dissent. A red card is shown to eject a player for more serious offenses, including dangerous tackles, physical aggression or altercations, offensive language or insults, and denying a clear goal-scoring opportunity.
What Are Yellow and Red Cards in Football?
How traffic lights and soccer are connected
Few moments in football (soccer) attract more attention than when a referee pulls out a yellow or red card. These cards are shown by referees to discipline players or team officials, including managers, who have committed fouls or other offenses during a match, such as verbal abuse, time wasting, and unsporting behavior. Traffic Lights and Football Before yellow and red cards existed, referees could warn or send off players. However, communicating those decisions with players...