Arsenal's Denilson (L) challenges Blackburn Rovers' Jason Roberts during their English Premier League soccer match at the Emirates Stadium in London March 14, 2009. REUTERS/Stefan Wermuth (BRITAIN SPORT SOCCER) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO USE WITH UNAUTHORIZED AUDIO, VIDEO, DATA, FIXTURE LISTS, CLUB/LEAGUE LOGOS OR "LIVE" SERVICES. ONLINE IN-MATCH USE LIMITED TO 45 IMAGES, NO VIDEO EMULATION. NO USE IN BETTING, GAMES OR SINGLE CLUB/LEAGUE/PLAYER PUBLICATIONS