Belgium's Kevin De Bruyne, left, and United States' Geoff Cameron vie for the ball during the World Cup round of 16 soccer match between Belgium and the USA at the Arena Fonte Nova in Salvador, Brazil, Tuesday, July 1, 2014 (Photo: AP)
Belgium's Kevin De Bruyne, center, fights for the ball with United States' Omar Gonzalez (3) during the World Cup round of 16 soccer match between Belgium and the USA at the Arena Fonte Nova in Salvador, Brazil, Tuesday, July 1, 2014 (Photo: AP)
Belgium's Marouane Fellaini kicks the ball near Jermaine Jones of the U.S. during their 2014 World Cup round of 16 game at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Michael Bradley of the U.S. (C) controls the ball near Belgium's Axel Witsel (6), Daniel Van Buyten (15) and Vincent Kompany during their 2014 World Cup round of 16 game at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Belgium's Jan Vertonghen (R) attempts a cross past Omar Gonzalez of the U.S. during their 2014 World Cup round of 16 game at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Belgium's Axel Witsel (L) and Michael Bradley of the U.S. fight for the ball during their 2014 World Cup round of 16 game at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Belgium's goalkeeper Thibaut Courtois punches the ball out during their 2014 World Cup round of 16 game against the U.S. at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Belgium's Kevin De Bruyne (red) shoots to score against the U.S. in extra time during their 2014 World Cup round of 16 game at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Belgium's Romelu Lukaku (2nd R) scores his team's second goal past Goalkeeper Tim Howard of the U.S. during extra time in their 2014 World Cup round of 16 game at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Julian Green (L) of the U.S. scores a goal during extra time in their 2014 World Cup round of 16 game against Belgium at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
Belgium's Romelu Lukaku celebrates with Kevin De Bruyne (R) after scoring a goal during extra time in the 2014 World Cup round of 16 game between Belgium and the U.S. at the Fonte Nova arena in Salvador July 1, 2014 (Photo: Reuters)
USA players react after Belgium's Romelu Lukaku scored his side's second goal in extra time during the World Cup round of 16 soccer match between Belgium and the USA at the Arena Fonte Nova in Salvador, Brazil, Tuesday, July 1, 2014 (Photo: AP)
Belgium's Kevin De Bruyne, centre, is surrounded by teammates after scoring the opening goal during the World Cup round of 16 soccer match between Belgium and the USA at the Arena Fonte Nova in Salvador, Brazil, Tuesday, July 1, 2014 (Photo: AP)