Arsenal's Denilson (15) and Samir Nasri celebrate William Gallas' (R) goal during their English Premier League soccer match against Portsmouth at the Emirates stadium in London December 28, 2008. REUTERS/Kieran Doherty (BRITAIN). 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.