UEFA

LONDON, ENGLAND - MARCH 03: (L-R) Salomon Kalou of Chelsea and Samir Nasri of Arsenal are seen with the Champions League Trophy under the Wembley arch as adidas present the Official Match Ball for the 2011 UEFA Champions League Final at Wembley Stadium on March 3, 2011 in London, United Kingdom.

LONDON, ENGLAND - MARCH 03: Adidas present the Official Match Ball for the 2011 UEFA Champions League Final at Wembley Stadium on March 3, 2011 in London, United Kingdom.