Factbox: World Cup teams in Groups G and H

Group G:

GERMANY

World Cup appearances: 17 (1934, 1938, 1954, 1958, 1962, 1966, 1970, 1974, 1978, 1982, 1986, 1990, 1994, 1998, 2002, 2006, 2010)

Best achievements: World champions 1954, 1974, 1990, three-time European champions

Coach: Joachim Loew

Stars: Mesut Oezil, Bastian Schweinsteiger, Miroslav Klose, Philipp Lahm

GHANA:

World Cup appearances: 2 (2006, 2010)

Best achievements: World Cup quarter-finals 2010, four-time African champions

Coach: James Kwesi Appiah

Stars: Michael Essien, Kevin-Prince Boateng, Kwadwo Asamoah, Sulley Muntari

PORTUGAL:

World Cup appearances: 5 (1966, 1986, 2002, 2006, 2010)

Best achievements: World Cup third place 1966, European championship runner-up 2004

Coach: Paulo Bento

Stars: Cristiano Ronaldo, Nani, Joao Moutinho

UNITED STATES

World Cup appearances: 9 (1930, 1934, 1950, 1990, 1994, 1998, 2002, 2006, 2010)

Best achievements: World Cup third place 1930, five-time Gold Cup winners

Coach: Juergen Klinsmann

Stars: Tim Howard, Michael Bradley, Jozy Altidore

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Group H

Group H:

ALGERIA

World Cup appearances: 3 (1982, 1986, 2010)

Best achievements: World Cup group stage 1982, 1986, 2010, Africa champions 1990

Coach: Vahid Halilhodzic

Stars: Madjid Bougherra, Sofiane Feghouli

BELGIUM

World Cup appearances: 11 (1930, 1934, 1938, 1954, 1970, 1982, 1986, 1990, 1994, 1998, 2002)

Best achievements: World Cup fourth place 1986, European championship runner-up 1980

Coach: Marc Wilmots

Stars: Eden Hazard, Vincent Kompany, Thibaut Courtois

RUSSIA

World Cup appearances: 9 (1958, 1962, 1966, 1970, 1982, 1986, 1990 as Soviet Union; 1994 and 2002 as Russia)

Best achievements: World Cup fourth place 1966, European champions 1960 (both as Soviet Union)

Coach: Fabio Capello

Stars: Igor Akinfeev, Alan Dzagoev, Alexander Kokorin, Alexander Kerzhhakov, Sergey Ignashevich

SOUTH KOREA

World Cup appearances: 8 (1954, 1986, 1990, 1994, 1998, 2002, 2006, 2010)

Best achievements: World Cup fourth place 2002, two-time Asian champions

Coach: Hong Myung Bo

Stars: Son Heung Min, Koo Ja Cheol, Lee Chung Yong