With goals in the first 15 minutes from Rafael Morales and Carlos Ruíz and an outstanding performance from goalkeeper Paulo Motta, Guatemala earned their first ever World Cup qualifying victory over the U.S.
After suffering an upset loss at home last week, Costa Rica heads north to take on regional rival United States, who's coming off a disappointing result of its own.
U.S. keeper Tim Howard had made a string of fine saves to keep Marc Wilmots' men at bay during the 90 minutes in Salvador. Howard's 16 saves throughout the match broke the record for most saves in a World Cup game.
United States coach Jurgen Klinsmann says his team's attack will be the best form of defense when his underdogs tackle Belgium on Tuesday for a place in the World Cup quarterfinals.
U.S. Vice President Joe Biden begins a four-nation trip across Latin America on Monday, starting with some World Cup action at the US-Ghana game in Brazil.
