Chelsea have made a complaint to the FA against Mark Clattenberg against alleged comments the referee made to two Chelsea players during the Blues 2-3 defeat to Manchester United at Stamford Bridge.
<P>They said: "We have lodged a complaint to the Premier League match delegate with regard to inappropriate language used by the referee and directed at two of our players in two separate incidents during today's match.
The match delegate will pass the complaint to the football Association and we will not make any further comment at this time."