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NIZHNIY NOVGOROD, RUSSIA - JUNE 18: Hyeonwoo Jo of Korea Republic looks on during a pitch inspection prior to the 2018 FIFA World Cup Russia group F match between Sweden and Korea Republic at Nizhniy Novgorod Stadium on June 18, 2018 in Nizhniy Novgorod, Russia. (Photo by Adam Pretty - FIFA/FIFA via Getty Images)

NIZHNIY NOVGOROD, RUSSIA - JUNE 18:  Hyeonwoo Jo of Korea Republic looks on during a pitch inspection prior to the 2018 FIFA World Cup Russia group F match between Sweden and Korea Republic at Nizhniy Novgorod Stadium on June 18, 2018 in Nizhniy Novgorod, Russia.  (Photo by Adam Pretty - FIFA/FIFA via Getty Images)