Argentina’s Gonzalo Higuain, No 9, celebrates his goal against the United States with Lionel Messi, left, and Ezequiel Lavezzi, centre, during their Copa America 4-0 semi-final win in Houston on Tuesday. Eric Gay / AP Photo
Argentina’s Lionel Messi celebrates with teammates after his goal against the United States during their Copa America 4-0 semi-final win in Houston on Tuesday. Eric Gay / AP Photo
Ezequiel Lavezzi, No 22, of Argentina reacts after being hit in the face in the first half against the United States during their Copa America 4-0 semi-final win in Houston on Tuesday. Scott Halleran / Getty Images / AFP
John Brooks, No 6, of United States handles the ball against Gonzalo Higuain, No 9, of Argentina in the second half during their Copa America 4-0 semi-final win in Houston on Tuesday. Bob Levey / Getty Images / AFP
Lionel Messi of Argentina scores a goal on a free kick in the first half against the United States during their Copa America 4-0 semi-final win in Houston on Tuesday. Bob Levey / Getty Images / AFP
Argentina’s Gonzalo Higuain scores against the United States during their Copa America 4-0 semi-final win in Houston on Tuesday. Frederic J Brown / AFP
Argentina’s Lionel Messi takes a free-kick to score against the United States during their Copa America 4-0 semi-final win in Houston on Tuesday. Frederic J Brown / AFP
Brad Guzan, No 1, and Geoff Cameron, No 20, of the United States exchange words with Marcos Rojo, No 16, of Argentina in the first half during their Copa America 4-0 semi-final win in Houston on Tuesday. Scott Halleran / Getty Images / AFP
Argentina’s Lionel Messi takes a shot on goal past United States’ Fabian Johnson, No 23, and Matt Besler, No 5, during their Copa America 4-0 semi-final win in Houston on Tuesday. Eric Gay / AP Photo