Manchester United manager Sir Alex Ferguson refuses to believe referee Mark Clattenburg would have directed a racial insult at a player.
Police and the Football Association are investigating an allegation that Clattenburg used "inappropriate language" towards John Obi Mikel in last weekend's stormy clash against United at Stamford Bridge. It is understood that the official strenuously denies any wrongdoing.
Chelsea have submitted a dossier of evidence to the FA containing accounts from players, who allege Clattenburg used a term which has been interpreted as racist, but Ferguson has defended the official. Ferguson said: "I don't believe Mark Clattenburg would make any comments like that. I refuse to believe it."
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