(AGI) Nyon (Switzerland), Sept 28 - Italian referee NicolaRizzoli has been selected by UEFA to lead PSG vs Barcelona, akey match in the Champions League group stage which will beplayed on Tuesday. The 43-year-old refereed the 2014 World Cupfinal in Brazil with assistants Renato Faverani and AndreaStefani. The same trio will lead Tuesday's match in Paris. . .