The Uruguay forward, who has frequently been criticised by French media, fired a low angled shot past goalkeeper Thibaut Courtois in the 78th minute after John Obi Mikel had cancelled out Zlatan Ibrahimovic's opener at the end of the first half.It was Chelsea's first defeat in 13 games since Dutchman Guus Hiddink took over from the sacked Jose Mourinho but the London club were a tough nut to crack. They will fancy their chances in the return leg at Stamford Bridgeon March 9.In another Champions League game last night, Jonas struck with a stoppage-time header to end 90 minutes of frustration for Benfica as they beat an ultra-cautious Zenit St Petersburg 1-0 at home in the first leg of their Champions League last-16 tie.Nicolas Gaitan floated a free kick into the area and the Brazilian rose to break the deadlock. Zenit defender Domenico Criscito had been sent off for a second yellow card for the foul, which led to the freekick.The first half had been an unsightly slog with 16 fouls, seven offsides and four bookings.Benfica came to life in the second half but still struggled to create chances against a tightly-packed, well-drilled Zenit, who were playing their first competitive match since December 9...