Postecoglou warns blue card would wreck the game

Tottenham Hotspur manager Ange Postecoglou.

Tottenham head coach Ange Postecoglou has warned any proposal to introduce blue cards and sin bins will destroy football.

It was revealed on Thursday that a trial could commence soon where a blue card would be shown for dissent and professional fouls where the offenders would be sin binned for 10 minutes.