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BARCELONA, SPAIN - APRIL 19: Sami Khedira of Juventus challenges Lionel Messi of FC Barcelona looks on during the UEFA Champions League Quarter Final second leg match between FC Barcelona and Juventus at Camp Nou on April 19, 2017 in Barcelona, Spain. (Photo by Chris Brunskill Ltd/Getty Images)

BARCELONA, SPAIN - APRIL 19:  Sami Khedira of Juventus challenges Lionel Messi of FC Barcelona looks on during the UEFA Champions League Quarter Final second leg match between FC Barcelona and Juventus at Camp Nou on April 19, 2017 in Barcelona, Spain.  (Photo by Chris Brunskill Ltd/Getty Images)

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(L-R) Alex Sandro of Juventus FC, Lionel Messi of FC Barcelona, Sami Khedira of Juventus FCduring the UEFA Champions League quarter final match between FC Barcelona and Juventus FC on April 19, 2017 at the Camp Nou stadium in Barcelona, Spain.(Photo by VI Images via Getty Images)

(L-R) Alex Sandro of Juventus FC, Lionel Messi of FC Barcelona, Sami Khedira of Juventus FCduring the UEFA Champions League quarter final match between FC Barcelona and Juventus FC on April 19, 2017 at the Camp Nou stadium in Barcelona, Spain.(Photo by VI Images via Getty Images)