Chelsea advances to Champions League quarterfinals

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Chelsea's Didier Drogba (L) fights for the ball with FC Copenhagen's Oscar Wendt during their Champions League round of 16 second leg soccer match at Stamford Bridge in London March 16, 2011.

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Chelsea's Nicolas Anelka (R) challenges Mikael Antonsson during their Champions League round of 16 second leg soccer match at Stamford Bridge in London March 16, 2011.

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Chelsea's Didier Drogba challenged by FC Copenhagen's Martin Vingaard (not pictured) during their Champions League round of 16 second leg soccer match at Stamford Bridge in London March 16, 2011.

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Chelsea's Yury Zhirkov (R) challenges FC Copenhagen's Christian Bolanos during their Champions League round of 16 second leg soccer match at Stamford Bridge in London March 16, 2011.

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Chelsea's Ramires (L) vies for the ball with FC Copenhagen's Domingues Claudemir during their Champions League round of 16 second leg soccer match at Stamford Bridge in London March 16, 2011.

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Chelsea's Fernando Torres (C) is challenged by FC Copenhagen's William Kvist (L) and Domingues Claudemir during their Champions League round of 16 second leg soccer match at Stamford Bridge in London March 16, 2011.

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Chelsea's Nicolas Anelka (R) challenges FC Copenhagen's Mikael Antonsson during their Champions League round of 16 second leg soccer match at Stamford Bridge in London March 16, 2011.

(Reuters)