Blue cards teach players to 'behave better' on the pitch

Former English football referee Keith Hackett says that blue cards would act as a sanction for referees to use, which would encourage players to "behave better on the field of play." He said that something must be done to combat the image of modern football, which has been "tarnished" by badly behaving footballers. Report by Covellm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn