Roy Keane has accused Michael Carrick of using Lisandro Martinez's red card to deflect attention away from Manchester United's substandard display against Leeds United . Carrick was incensed when Martinez was dismissed during the Reds' 2-1 home loss to Leeds, which rules him out of this weekend's clash between Chelsea and United at Stamford Bridge. The Argentinian defender was sent off for pulling Dominic Calvert-Lewin's hair . Referee Paul Tierney brandished the red card after being instructed