Messi's response to fans

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As Barcelona was about to depart from Liverpool after recieving a 4:0 defeat to move them out of the champions league, some fans openly blamed Messi for not making a difference in that match. One fan opening said something and Messi responded:
According to El Chiringuito TV, one supporter yelled, “Messi you are the captain! You are the one in charge!”
“Only [Marc-Andre] Ter Stegen. All year, all f***ing year, only Ter Stegen!” challenging the Barca’s skipper for not being able to influence Ernesto Valverde to use other goalkeepers apart from the German number one.
The Argentine repeatedly responded by saying, “What have I done?”