Chelsea v Arsenal - Premier League

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Fernando Torres of Chelsea is replaced by substitute Demba Ba during... News PhotoArsenal F.C.,Chelsea F.C.,Club Football,Demba Ba,England,English Premier League,Fernando Torres,Football,Football Team,Horizontal,London - England,Match - Sport,Replacement,Sport,Stadium,Stamford Bridge,Substitute,UKPhotographer Collection: Getty Images Sport 2013 Getty ImagesLONDON, ENGLAND - JANUARY 20: Fernando Torres of Chelsea is replaced by substitute Demba Ba during the Barclays Premier League match between Chelsea and Arsenal at Stamford Bridge on January 20, 2013 in London, England. (Photo by Clive Rose/Getty Images)