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Abdelhak Nouri of Ajax is very badly injured during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

Abdelhak Nouri of Ajax is very badly injured during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

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(L-R) Abdelhak Nouri of Ajax, Maximilian Eggestein of SV Werder Bremen during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

(L-R) Abdelhak Nouri of Ajax, Maximilian Eggestein of SV Werder Bremen during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

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Abdelhak Nouri of Ajax is very badly injured during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

Abdelhak Nouri of Ajax is very badly injured during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

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Abdelhak Nouri of Ajax is very badly injured during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

Abdelhak Nouri of Ajax is very badly injured during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

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rescue helicopter for Abdelhak Nouri of Ajax during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)

rescue helicopter for Abdelhak Nouri of Ajax during the friendly match between Ajax Amsterdam and SV Werder Bremen at Lindenstadion on July 08, 2017 in Hippach , Austria(Photo by VI Images via Getty Images)