6. Roy Keane

Position, Team: Midfielder, Cobh Ramblers/Nottingham Forest/Manchester United/Celtic
Years: 1989-2006
One stat says it all for Roy Keane. He holds the record for most red cards in Premier League play (13). Now top that off with the fact that he received those while playing for Man. U. and you figure he probably deserved two or three times that amount. #keepit100