Etihad Stadium

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Manchester City's Alvaro Negredo, center, fights for the ball with Barcelona's Sergi Roberto, left, and Cesc Fabregas, right, 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, 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 manager Manuel Pellegrini during their Champions League Round of 16 soccer match against Barcelona at the Etihad Stadium in Manchester, England, Tuesday, Feb. 18, 2014. (AP Photo/Clint Hughes)

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Manchester City's Martin Demichelis, far right, is shown a red card by referee Jonas Eriksson during their Champions League Round of 16 soccer match against Barcelona at the Etihad Stadium in Manchester, England, Tuesday, Feb. 18, 2014. (AP Photo/Clint Hughes)

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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)

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Manchester City's Steven Jovetic, top, scores past Chelsea's goalkeeper Petr Cech, left, as Cesar Azpilicueta looks towards the ball during their English FA Cup fifth round soccer match at the Etihad Stadium, Manchester, England, Saturday, Feb. 15, 2014. (AP Photo/Jon Super)

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Chelsea's manager Jose Mourinho waits for the start of the during the English FA Cup fifth round soccer match against Manchester City at the Etihad Stadium, Manchester, England, Saturday, Feb. 15, 2014. (AP Photo/Jon Super)

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Chelsea's manager Jose Mourinho, right holds this arms out as he watches from the technical area his team play Manchester City during their English FA Cup fifth round soccer match at the Etihad Stadium, Manchester, England, Saturday, Feb. 15, 2014. (AP Photo/Jon Super)

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Manchester City, left and Chelsea soccer teams line up a hold a moment of silence for former England soccer player Sir Tom Finney, who died recently, prior to kick off for the English FA Cup fifth round soccer match at the Etihad Stadium, Manchester, England, Saturday, Feb. 15, 2014. (AP Photo/Jon Super)

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Manchester City's Samir Nasri, centre, celebrates after scoring the second goal of the game against Chelsea during their English FA Cup fifth round soccer match at the Etihad Stadium, Manchester, England, Saturday, Feb. 15, 2014. (AP Photo/Jon Super)

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Chelsea's Chelsea's Gary Cahill, right and defenders David Luiz, centre, and Nemanja Matic look at the ball in the back of the net after Manchester City's Steven Jovetic scored the opening goal during their English FA Cup fifth round soccer match at the Etihad Stadium, Manchester, England, Saturday, Feb. 15, 2014. (AP Photo/Jon Super)

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Manchester City's Stevan Jovetic, facing, celebrates after scoring the opening goal with teammates during the English FA Cup fifth round soccer match against Chelsea at the Etihad Stadium, Manchester, England, Saturday, Feb. 15, 2014. (AP Photo/Jon Super)

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Chelsea's Eden Hazard, second left, is tackled by Manchester City's Martin Demichelis, right and his teammate David Silva during their English Premier League soccer match at the Etihad Stadium, Manchester, England, Monday Feb. 3, 2014. (AP Photo/Jon Super)