GABRIEL PAULISTA HAS SCRATCHES ON THE NECK , CAN MIKE DEAN EXPLAIN IT .?

IN THE DAILY MAIL , which very clearly shows that after Diego Costa grabbed Gabriel paulista by the neck, leaving red scratch marks on the Brazilian defender Gabriel paulista . By the way Diego costa is no angel , he is known for his dirty football, even while in Spain with Atletico Madrid, he clashed with gabriel paulista in a match between Villarreal and atletico Madrid. But according to F.I.FA rules no footballers is allowed to touch another player, so legally speaking Diego Costa should have seen a red for scratching Gabriel Paulista. in the neck. The question is will the English F.A look at it closely, or let it be swept under the carpet, because he is a Chelsea player, Chelsea are always favoured in the matches no doubt. He Diego Costa also slapped Laurent Koscielny but got away scot free no card there.