Why two yellow cards equal a red card for Enzo Fernandez to be sent off, go down to 10 men for Argentina

Argentina will have to finish the World Cup Final with 10 men.Enzo Fernandez received two yellow cards, which equal a red card and a sending off. In a 0-0 game, it's a terrible moment as they try to keep up with Spain.The energetic midfielder for Argentina picked up both yellow cards in the second half.The first came when he was upset about a no-call and screamed and gestured at the referee, so he got a yellow card for dissent.The second came when Fernandez clattered into a Spanish player after a pass had already been played away.Both were clear yellow cards, and they bring into action the two yellows equal a red rule.Another look at the challenge from Enzo Fernández that resulted in his second yellow card and subsequent sending-off. pic.twitter.com/6TAclFhmDY— FOX Sports (@FOXSports) July