Revealed: The footage behind Roy Keane's 'big mouth' cheap shot at Michael Carrick's wife 12 years on... clip shows stony-faced pundit laying into new Man United boss - who insists he is 'not bothered'

A video from 12-years ago of Roy Keane's scathing remarks about a Michael Carrick interview has gone viral as the origin of their feud. Carrick insisted on Friday he is not bothered by the remarks.