“We normally play in blue but were wearing our new red away jerseys and the referee was in dark green. I simply got them mixed up, because I can’t distinquich between red and green.”
— Ralf Rangnick, the color blind coach of German lower division club TSG Hoffenheim, explaining why he yelled at the referee to “Move up and mark that guy!” After they stopped laughing, his assistant coaches let Rangnick know whom he was yelling at.