Mark Clattenburg has returned to training with the top-flight Select Group of referees for the first time since Chelsea's complaint against the match official.
The 37-year-old will miss a third weekend of Barclays Premier League matches but the outcome of the Football Association's investigation into Chelsea's complaint of inappropriate language should be known by the end of the week.
Chelsea have alleged that Clattenburg used a term understood to have been interpreted as racist towards John Obi Mikel during the Premier League match against Manchester United on October 28. The official strenuously denies having done so.
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