 Complete the following phrase:  After manager Roberto Di Matteo was sacked following a 30 defeat to Juventus in the Champions League, Mata scored the first goal of new, interim manager Rafael Benítezs reign at Chelsea against West Ham United, although Chelsea suffered a 31 defeat in this game. He scored again in Chelseas win over Nordsjælland in a Champions League game, but Chelsea still failed to advance to the knockouts despite a 61 win at home. He added to his tally of goals and his collection of fine performance at Sunderland in a 13 Chelsea win. After this game, Chelsea traveled to Japan for the 2012 FIFA Club World Cup. Here, too, Mata continued his top form by scoring Chelseas first goal in the tournament against Monterrey in the semi-final, helping them on their course to the final with a 13 victory. The tournament, however, ended in disappointment as Chelsea were beaten 10 by Brazilian club Corinthians in the 