Lionel Messi

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FC Barcelona's Lionel Messi of Argentina, left, reacts after Real Sociedad scored during their Spanish League soccer match, at Anoeta stadium in San Sebastian, Spain, Saturday, Feb. 22, 2014. FC Barcelona lost the match 3-1.(AP Photo/Alvaro Barrientos)

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Barcelona's Lionel Messi is tackled down by Manchester City's Martin Demichelis and receives a penalty kick during their Champions League first knock out round soccer match at the Etihad Stadium, Manchester, England, Tuesday Feb. 18, 2014. (AP Photo/Jon Super)

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Barcelona's Lionel Messi celebrates after he scores the first goal of the game from a penalty during the Champions League first knock out round soccer match between Barcelona and Manchester City at the Etihad Stadium, Manchester, England, Tuesday Feb. 18, 2014. (AP Photo/Jon Super)

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Manchester City's goalkeeper Joe Hart reacts as Barcelona's Lionel Messi celebrates after he scores the first goal of the game from a penalty during the Champions League first knock out round soccer match between Barcelona and Manchester City at the Etihad Stadium, Manchester, England, Tuesday Feb. 18, 2014. (AP Photo/Jon Super)

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Barcelona's Lionel Messi celebrates scoring the opening goal during the Champions League first knock out round soccer match between Barcelona and Manchester City at the Etihad Stadium, Manchester, England, Tuesday Feb. 18, 2014. (AP Photo/Jon Super)

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Barcelona's Lionel Messi, center, celebrates scoring the opening goal from a penalty with team mates Cesc Fabregas, left, and Andres Hiniesta during the Champions League first knock out round soccer match between Barcelona and Manchester City at the Etihad Stadium, Manchester, England, Tuesday Feb. 18, 2014. (AP Photo/Jon Super)

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Manchester City's Yaya Toure, right, attempts a tackle Barcelona's Lionel Messi during their Champions League Round of 16 soccer match at the Etihad Stadium in Manchester, England, Tuesday, Feb. 18, 2014. (AP Photo/Clint Hughes)

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Barcelona's Lionel Messi, left, scores the first goal of the game for his side from a penalty during their Champions League Round of 16 soccer match against Manchester City at the Etihad Stadium in Manchester, England, Tuesday, Feb. 18, 2014. (AP Photo/Clint Hughes)