Christian Pulisic scored the match-winning goal for the United States to win the crucial World Cup group stage clash with Iran 1-0.
The Chelsea forward found the net from a few yards a few minutes before half-time.
Seconds later, he was surrounded by medical staff as it turned out that he suffered a knock in the process of scoring. He was able to return to the pitch before the break but did not come out on the pitch for the second half.
In the other game of Group B, England defeated Wales 3-0, with Mason Mount, Raheem Sterling and Conor Gallagher spending the whole game on the bench.
As a result, England topped the group and will face Senegal in the Round of 16. Edouard Mendy and Kalidou Koulibaly could be facing some of their Chelsea teammates.
As for Pulisic, his side will take on the Netherlands in the other Round of 16 game.
