Hassan Ammar/AP
The World Cup is kicking into high gear.
Team USA is riding a wave of momentum after its incredible win against Ghana last week as they battle Portugal on Sunday.
If you've just jumped on the bandwagon, you'll need to catch up. From the hottest players, to celebrity supporters, here's how the two teams stack up.
NICKNAME
U.S.: The Yanks, or the Stars and Stripes, referring to the American flag.
Portugal: 'The Selection of the Shields,' a nod to the five shields on the country's flag. o o
DRAMA
U.S.: Coach Jurgen Klinsmann left top scorer Landon Donovan, 32, off the squad because age has made him 'lose a little bit of an edge.'
Portugal: Beloved defender Pepe has been benched for head-butting a German player on Monday.
HOTTEST PLAYER
U.S.: Jersey boy Tim Howard, the 35-year-old, 6-foot-1 goalie named the 2013 CONCACAF Goalie of the Year.
Portugal: Cristiano Ronaldo, the 29-year-old, 6-foot-1 team captain, top scorer and highest-played player in soccer history. o
CELEBRITY FANS
U.S.: Olivia Munn, Paris Hilton, Mayor de Blasio
Portugal: Nelly Furtado, Victoria's Secret model Sara Sampaio
MOST POPULAR BREW
U.S.: Bud Light and Coors Light - both light beers with 4.2% alcohol by volume.
Joe Raedle/Getty Images
Portugal: Sagres and Super Bock - both pale yellow lagers with 5.2% ABV and 5.6% ABV, respectively.
TEAM UNIFORMS
U.S.: White polo shirt with red trim (home), and a crew neck jersey with red, white and blue color blocking (away), by Nike.
Portugal: Red V neck jersey with widening darker red stripes and green trim (home), and white with blue piping on the crew neck and sleeves (away), by Nike. o
CHANT
U.S.: 'U! S! A! ... U! S! A!'
Portugal: 'Olé Ronaldo, Olé!'
NATIONAL ANTHEM
U.S.: 'The Star-Spangled Banner'
Portugal: 'A Portuguesa'
WORLD CUP STANDING
U.S.: Beat Ghana 2-1 on Monday.
Portugal: Lost to Germany 4-0 on Monday.
WORLD CUP HISTORY
U.S.: Made the semifinals in 1930, and beat England in 1950.
Portugal: Came in third place in 1966 after soccer legend Eusébio scored nine goals.