The use of blue and purple cards is being trialed by FIFA, with one already used in the Under-20 World Cup tournament.

FIFA is rolling out a brand new VAR challenge initiative that gives managers the power to use purple and blue cards during matches to request a decision review from the referee, but it threatens to ...

This has never happened before in football. At the U20 World Cup in Chile, a new green card was used yesterday. Unlike the yellow and red card, this new rectangle can only be used by coaches and not ...