Celtic's Artur Boruc, centre, gestures towards referee Manuel Gonzalez of Spain after he awarded Arsenal a penalty during the Champions League play off round second leg soccer match at Arsenal's Emirates stadium in London, Wednesday Aug. 26, 2009 ...

Celtic goalkeeper Artur Boruc (3rd R) argues with referee Manuel Gonzalez (3rd L) after Arsenal were awarded a penalty during their Champions League soccer match at the Emirates Stadium in London August 26, 2009. REUTERS/Eddie Keogh (BRITAIN SPORT SOCCER)