Juan Mata (C) of Chelsea celebrates scoring the winning goal with his teammates Oscar and Cesar Azpilicueta (R) during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Juan Mata (C) of Chelsea celebrates scoring the winning goal with his teammates Oscar and Cesar Azpilicueta (R) during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Branislav Ivanovic(L) of Chelsea heads the ball with Nemanja Vidic (C) of Manchester United as Anders Lindegaard (R), goalie of Manchester United saves during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Juan Mata of Chelsea celebrates scoring the winning goal during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Juan Mata of Chelsea celebrates scoring the winning goal during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Fernando Torres(Front) of Chelsea vies with Ryan Giggs of Manchester United during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Cesar Azpilicueta of Chelsea heads the ball with Robin van Persie (L) of Manchester United during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Juan Mata of Chelsea celebrates scoring the winning goal during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Juan Mata(C) of Chelsea celebrates scoring the winning goal with his teammates during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Juan Mata of Chelsea celebrates scoring the winning goal during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)

Rafael Da Silva (1st R) of Manchester United is shown the red card by referee Howard Webb (2nd R) during the Barclays Premier League match between Manchester United and Chelsea at Old Trafford in Manchester, Britain on May 5, 2013. Chelsea won 1-0.(Xinhua/Wang Lili)