U.S. striker Jozy Altidore (left) works out with Fabian Johnson (center) and Jermaine Jones during a World Cup training session in Salvador, Brazil, Monday. The U.S. says Altidore is fit to play against Belgium in their elimination matchup Tuesday. Julio Cortez/AP hide caption
Luis Suarez holds his teeth after biting Giorgio Chiellini's shoulder during last week's World Cup match between Italy and Uruguay in Brazil. FIFA has banned Suarez for nine games and four months over the incident. Ricardo Mazalan/AP hide caption
Yeltsin Tejeda of Costa Rica holds up his country's flag in celebration with his teammates after defeating Greece in a penalty shootout during the 2014 FIFA World Cup Brazil Round of 16 match on Sunday. Jeff Gross/Getty Images hide caption
Brazil's forward Neymar celebrates after scoring during the penalty shootout after extra time in the Round of 16 football match between Brazil and Chile at the Mineirao Stadium in Belo Horizonte on Saturday. Juan Mabromata/AFP/Getty Images hide caption
Portugal's Cristiano Ronaldo takes a water break during the 2014 World Cup soccer match between Portugal and the U.S. in Manaus, Brazil, on June 22. Siphiwe Sibeko/Reuters/Landov hide caption
Tuesday afternoon's match between the U.S. and Belgium will pit two countries with burgeoning beer scenes — and a shared love of fries. photobuddah/Flickr hide caption
Giorgio Chiellini of Italy pulls down his shirt to show a wound after clashing with Luis Suarez of Uruguay (not pictured). After Suarez was suspended for four months over his biting of Chiellini, the Italian said the punishment was too harsh. Julian Finney/Getty Images hide caption
Rain-soaked fans wait for the start of the group G World Cup soccer match between the United States and Germany at the Arena Pernambuco in Recife, Brazil, on Thursday. Julio Cortez/AP hide caption
Jermaine Jones and other members of the U.S. men's national team train in Manaus, Brazil. Fitness may be a crucial factor in the U.S.-Germany game on Thursday in Recife . Raphael Alves/AFP/Getty Images hide caption
Uruguay's Luis Suarez holds his teeth after biting Italy's Giorgio Chiellini's shoulder during Tuesday's World Cup match between Italy and Uruguay in Brazil. FIFA has banned Suarez for nine games and four months over the incident. Ricardo Mazalan/AP hide caption
Comedian Will Ferrell was unveiled as the surprise "secret weapon" of U.S. Soccer, on the eve of a pivotal World Cup match against Germany. Ferrell promised to "bite every German player, if I have to." YouTube hide caption
U.S. midfielder Jermaine Jones warms up during a training session at Recife's Pernambuco Arena Wednesday, one day before the Americans face Germany in a decisive Group G soccer match. The game begins at noon, ET. Patrik Stollarz/AFP/Getty Images hide caption
Giorgio Chiellini of Italy pulls down his shirt to show a wound after clashing with Luis Suarez of Uruguay (not pictured). Looking on is Gaston Ramirez of Uruguay. The incident, in which Suarez apparently bit Chiellini, resulted in more than 100 people winning a bet. Julian Finney/Getty Images hide caption
Uruguay's Luis Suarez sits on the pitch after apparently biting Italy's Giorgio Chiellini during a World Cup soccer match in Brazil on Tuesday. Hassan Ammar/AP hide caption
Fans gather in Chicago's Grant Park to watch the U.S. play Portugal Sunday — a game that set a new ratings record for soccer on ESPN. Scott Olson/Getty Images hide caption