David Dein issues heartfelt apology to Arsenal Invincible Ashley Cole

David Dein has admitted Arsenal made a mistake by allowing Ashley Cole to join Chelsea (Picture: talkSPORT)Former Arsenal vice-chairman David Dein has issued a heartfelt apology to Ashley Cole and conceded his failure to prevent him from joining Chelsea was one of the biggest regrets of his career.Cole’s defection to the Gunners’ local rivals represented a changing of the Premier League guard as the balance of power shifted from north to west London where the Roman Abramovich era was