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MUNICH, GERMANY - April 22: Bojan Krkic of Mainz celebrates during the Bundesliga soccer match between FC Bayern Munich and Mainz 05 at the Allianz Arena on April 22, 2017, in Munich, Germany. (Photo by Lukas Barth/Anadolu Agency/Getty Images)

MUNICH, GERMANY - April 22: Bojan Krkic of Mainz celebrates during the Bundesliga soccer match between FC Bayern Munich and Mainz 05 at the Allianz Arena on April 22, 2017, in Munich, Germany. (Photo by Lukas Barth/Anadolu Agency/Getty Images)

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TURIN, ITALY - JANUARY 09: Kevin Prince Boateng (L) and Bojan Krkic of AC Milan look dejected after the TIM cup match between Juventus FC and AC Milan at Juventus Arena on January 9, 2013 in Turin, Italy. (Photo by Claudio Villa/Getty Images)

TURIN, ITALY - JANUARY 09:  Kevin Prince Boateng (L) and Bojan Krkic of AC Milan look dejected after the TIM cup match between Juventus FC and AC Milan at Juventus Arena on January 9, 2013 in Turin, Italy.  (Photo by Claudio Villa/Getty Images)

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STOKE ON TRENT, ENGLAND - SEPTEMBER 19: Bojan Krkic of Stoke City celebrates scoring his team's first goal during the Barclays Premier League match between Stoke City and Leicester City at Britannia Stadium on September 19, 2015 in Stoke on Trent, United Kingdom. (Photo by Clint Hughes/Getty Images)

STOKE ON TRENT, ENGLAND - SEPTEMBER 19:  Bojan Krkic of Stoke City celebrates scoring his team's first goal during the Barclays Premier League match between Stoke City and Leicester City at Britannia Stadium on September 19, 2015 in Stoke on Trent, United Kingdom.  (Photo by Clint Hughes/Getty Images)

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Barcelona's forward Bojan Krkic Perez celebrates his goal during the Spanish league football match FC Barcelona vs Getafe on March 19, 2011 at the Camp Nou stadium in Barcelona. AFP PHOTO/ JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)

Barcelona's forward Bojan Krkic Perez celebrates his goal during the Spanish league football match FC Barcelona vs Getafe on March 19, 2011 at the Camp Nou stadium in Barcelona.    AFP PHOTO/ JOSEP LAGO (Photo credit should read JOSEP LAGO/AFP/Getty Images)