LONDON, Jan. 20, 2013 (Xinhua) -- Juan Mata of Chelsea celebrates scoring during the Barclays Premier League match between Chelsea and Arsenal at the Stamford Bridge, in London, Britain, on Jan. 20, 2013. (Xinhua/Wang Lili)

LONDON, Jan. 20, 2013 (Xinhua) -- Juan Mata (C) of Chelsea celebrates scoring with teammates during the Barclays Premier League match between Chelsea and Arsenal at the Stamford Bridge, in London, Britain, on Jan. 20, 2013. (Xinhua/Wang Lili)

LONDON, Jan. 20, 2013 (Xinhua) -- Wojciech Szczesny, goalie of Arsenal, clashes with Ramires of Chelsea during the Barclays Premier League match between Chelsea and Arsenal at the Stamford Bridge in London, Britain, on Jan. 20, 2013. (Xinhua/Wang Lili) 

LONDON, Jan. 20, 2013 (Xinhua) -- Frank Lampard of Chelsea celebrates scoring during the Barclays Premier League match between Chelsea and Arsenal at the Stamford Bridge in London Britain, on Jan. 20, 2013. (Xinhua/Wang Lili)

LONDON, Jan. 20, 2013 (Xinhua) -- Fernando Torres (L) of Chelsea heads the ball with Per Mertesacker of Arsenal during the Barclays Premier League match between Chelsea and Arsenal at the Stamford Bridge in London, Britain, on Jan. 20, 2013. (Xinhua/Wang Lili) 

LONDON, Jan. 20, 2013 (Xinhua) -- Frank Lampard of Chelsea scores via a penalty shoot during the Barclays Premier League match between Chelsea and Arsenal at the Stamford Bridge in London, Britain on Jan. 20, 2013. (Xinhua/Wang Lili)