Porto´s goalkeeper Helton Aruda vies for the ball with Manchester City's forward Mario Balotelli
Manchester City's forward David Silva vies with FC Porto's defender Alvaro Pereira
Yaya Toure of Manchester City is tackled by Danilo of FC Porto
FC Porto's forward Silvestre Varela celebrates with teammates after scoring
Porto´s forward Silvestre Varela (2nd L) celebrates after scoring a goal against Manchester City dur
FC Porto's Uruguayan defender Alvaro Pereira (R) vies with Manchester City's Spanish forward David S
FC Porto's forward Silvestre Varela (2nd R) celebrates with his teammates after scoring during their
Mario Balotelli of Manchester City challenges Rolando of FC Porto for the ball
Mario Balotelli of Manchester City celebrates with team-mates
PORTO, PORTUGAL - FEBRUARY 16: Nigel De Jong of Manchester City holds off a challenge from Fernando
Yaya Toure of Manchester City is tackled by Joao Moutinho of FC Porto
Manchester City's defender Joleon Lescott (L) heads the ball next FC Porto's midfielder Joao Moutin
Manchester City's Argentinian forward Sergio Aguero celebrates with team-mates after scoring
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