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BARCELONA, SPAIN - APRIL 15: Ernesto Valverde, Manager of Barcelona speaks to the media during a press conference ahead of their second leg in the UEFA Champions League Quarter Final match against Manchester United at Ciutat Esportiva Joan Gamper on April 15, 2019 in Barcelona, Spain. (Photo by David Ramos/Getty Images)

BARCELONA, SPAIN - APRIL 15: Ernesto Valverde, Manager of Barcelona speaks to the media during a press conference ahead of their second leg in the UEFA Champions League Quarter Final match against Manchester United at Ciutat Esportiva Joan Gamper on April 15, 2019 in Barcelona, Spain. (Photo by David Ramos/Getty Images)

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Barcelona's Argentinian forward Lionel Messi leaves the pitch at half time during the UEFA Champions league first leg quarter-final football match between Manchester United and Barcelona at Old Trafford in Manchester, north west England, on April 10, 2019. (Photo by Oli SCARFF / AFP) (Photo credit should read OLI SCARFF/AFP/Getty Images)

Barcelona's Argentinian forward Lionel Messi leaves the pitch at half time during the UEFA Champions league first leg quarter-final football match between Manchester United and Barcelona at Old Trafford in Manchester, north west England, on April 10, 2019. (Photo by Oli SCARFF / AFP)        (Photo credit should read OLI SCARFF/AFP/Getty Images)