MEDELLIN, COLOMBIA - AUGUST 01: Alan Pulido (L) of Mexico duels for the ball with Ri Hyong Mu of Korea DPR during the FIFA U-20 World Cup Colombia 2011 group F match between Mexico and Korea DPR at the Atanasio Girardot stadium on August 1, 2011 in Medellin, Colombia. (Photo by Jasper Juinen - FIFA/FIFA via Getty Images)