Brych to referee Chelsea clash
German referee Felix Brych will take charge of Chelsea's Champions League semi-final first leg against Barcelona at Stamford Bridge.
The 36-year-old, who has a doctorate in law, also officiated the Blues' incredible last-16 second-leg comeback against Napoli.
Brych - who is renowned as a disciplinarian - controversially sent off Manchester United captain Nemanja Vidic in the the Premier League champions' group-stage fixture with Otelul Galati in Romania.
And he dismissed Peter Crouch for two bookable offences when Tottenham lost 4-0 to Real Madrid in last season's quarter-final first leg.
Chelsea's previous clashes with Barcelona since 2005 have been dogged by refereeing controversy.