Ellis Park Stadium in Johannesburg, the site of the United States' next scheduled match against Slovenia on Friday, played host to this Group B opener.
Group B - Argentina 1, Nigeria 0
Nigeria's Vincent Enyeama denies Argentina's Lionel Messi with a tough stop during Saturday's match.
Group B - Argentina 1, Nigeria 0
Argentina striker Lionel Messi (left) vies for a loose ball with Nigeria midfielder Sani Kaita.
Group B - Argentina 1, Nigeria 0
Legend Diego Maradona celebrates his first victory as the national coach of Argentina.
Group B - S. Korea 2, Greece 0
South Korea's Lee Chung-Yong battles for the ball during its pool-play opener.
Group B - S. Korea 2, Greece 0
South Korea defender Lee Jung-Soo (right) celebrates with midfielder Kim Jung-Woo after scoring to give South Korea a 1-0 lead.
Group B - S. Korea 2, Greece 0
South Korea gathers to celebrate its opening-game victory over Greece and starts to look ahead to its second match against Argentina on Thursday.
Group C - USA 1, England 1
England's midfielder Steven Gerrard (inset) scored the opening goal against the U.S. in just the fourth minute.
Group C - USA 1, England 1
Clint Dempsey of the U.S. celebrates his 40th-minute goal which tied the game 1-1.
Group C - USA 1, England 1
U.S. goalkeeper Tim Howard reacts after clashing with England's Emile Heskey in the 29th minute.