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PORTO, PORTUGAL - APRIL 15: Cristiano Ronaldo of Manchester United scores their first goal during the UEFA Champions League Quarter Final second leg match between FC Porto and Manchester United at the Estadio do Dragao on April 15, 2009 in Porto, Portugal. (Photo by Laurence Griffiths/Getty Images)

PORTO, PORTUGAL - APRIL 15:  Cristiano Ronaldo of Manchester United scores their first goal during the UEFA Champions League Quarter Final second leg match between FC Porto and Manchester United at the Estadio do Dragao on April 15, 2009 in Porto, Portugal.  (Photo by Laurence Griffiths/Getty Images)