MILAN, ITALY – APRIL 01: Patches are seen in the grass of the San Siro pitch before the Serie A match between FC Internazionale Milano and Genoa CFC at Stadio Giuseppe Meazza on April 1, 2012 in Milan, Italy. Barcelona have lodged an official complaint regarding the state of the pitch following their UEFA Champions league quarter-final first leg match against AC Milan. (Photo by Claudio Villa/Getty Images)