South Korea’s Kim Young-gwon, left, jumps for a header with Mexico’s Javier Hernandez during the group F match between Mexico and South Korea at the 2018 soccer World Cup in the Rostov Arena in Ro …

South Korea’s Kim Young-gwon, left, jumps for a header with Mexico’s Javier Hernandez during the group F match between Mexico and South Korea at the 2018 soccer World Cup in the Rostov Arena in Rostov-on-Don, Russia, Saturday, June 23, 2018. (AP Photo/Gregorio Borgia)