(AGI) London, July 6 - Novak Djokovic is Wimbledon champion,having beaten Roger Federer 6-7, 6-4, 7-6, 5-7, 6-4. This isthe second time Djokovic, aged 27, has won at Wimbledon, andonce again he knelt down at the end of the match and ate someblades of grass from the central field. His success comes afterthree finals lost at Grand Slam tournaments, Wimbledon 2013,U.S. Open 2013 and Roland Garros 2014. . .