AC Milan's goalkeeper Christian Abbiati sits on the ground after failing to stop a goal  as Barcelona's Argentinian forward Lionel Messi is congratuled by his teamates Barcelona's Brazilian forward Neymar da Silva Santos Junior  and Barcelona's Chilean forward Alexis Sanchez (R) after scoring during the UEFA Champions league football match FC Barcelona vs AC Milan at Camp Nou stadium in Barcelona on November 6, 2013.    AFP PHOTO / QUIQUE GARCIA        (Photo credit should read QUIQUE GARCIA/AFP via Getty Images)