Roy Keane's no-nonsense reputation within football needs no introduction.
As a player it saw him captain both Manchester United and the Republic of Ireland - winning 13 major honours with the former.
As well as being a fearless leader, the central midfielder was known for seeing red and sometimes overstepping the mark.
Roy Keane (right) told Micah Richards that he didn't regret any of his controversial moments
Now currently a TV pundit, the 50-year-old was asked by his Sky colleague, and Sportsmail columnist, Micah Richards if he had any regrets from the actions he took during his playing days.