LONDON, May 20 (Reuters) - Italian Nicola Rizzoli has been named as the referee for this Saturday's Champions League final between Borussia Dortmund and Bayern Munich at Wembley. UEFA confirmed on Monday that the 41-year-old Rizzoli, who was in charge of the 2010 Europa League final and was on duty at Euro 2012, had been selected. He will be assisted by fellow Italians Renato Faverani and Andrea Stefani with the fourth official, Damir Skomina, coming from Slovenia. (Reporting by Martyn Herman. Editing by Patrick Johnston) More...