Cameroon have been forced to make a last minute change to their 18-man squad for the men's football tournament at the Olympics.
Reading's Andre Bikey is going to the Olympics with Cameroon
The squad is currently in Hong Kong for a warm-up event that includes three other Olympic hopefuls; Holland, the USA and Ivory Coast.
Midfielder Landry Nguemo, who plays for Nancy in France, has withdrawn from the squad because of illness and is replaced by forward Serge Ngal of Uniao Leiria in Portugal.
The ING Cup kicks off on Wednesday in Hong Kong as Holland take on Cameroon and while the USA will take on Ivory Coast.
Then on Saturday Holland will play Ivory Coast and the USA will play Cameroon.
The Dutch and the Americans won't meet in Hong Kong, but will be closely watching each other because the two sides are in Group B of the Olympic competition.
Africa's other representatives, Nigeria, are also in Group B at the Games along with Japan.
Arsenal's Alex Song, the nephew of Cameroon's most capped player Rigobert Song, Rennes' Stephane Mbia and Reading's Andre Bikey are the big names for the country that won the Sydney 2000 Olympics gold medal.
Cameroon have named two over-aged players in their squad; Turkey-based striker Gustave Bebbe and Antonio Ghomsi, who plays in Italy.
At the Games in Beijing Cameroon are in Group D with Italy, Honduras and South Korea.
Ivory Coast is anchored by Chelsea's Salomon Kalou, Le Mans' Gervinho and Sekou Cisse from the Dutch club Roda JC.
The Ivorians are in Group A at the Olympics with Argentina, Australia and Serbia.
Holland, back-to-back European under-21 champions in 2006 and 2007, are led by Real Madrid's Royston Drenthe and Liverpool's Young Player of the Season Ryan Babel.
Ghana-born teenager Freddy Adu, on loan to Monaco from Benfica, and veteran Brian McBride will headline the American squad.
Coach: Martin Ndtougou Mpile
Patrick Tingyemb (Tonnerre Yaounde), Joslain Mayebi (Hakoach Ramatgam, Israel)
Antonio Ghomsi (Messina, Italy), Andre Bikey (Reading, England ), Alexandre Song (Arsenal, England), Kingue Bebey (Astres Douala), Ndoubena Nkoulou (Monaco, France), Alexis Enam (Club Africain, Tunisia)
Albert Baning (Paris Saint Germain, France), Stephane Mbia (Rennes, France), Georges Mandjeck (Stuttgart, Germany), Franck Songo'o (Portsmouth, England), Aurelien Chedjou (Lille, France), Alain Olle Olle (Freiburg, Germany)
Marc Mboua (Cambuur Leewarden, Holland), Christian Bekamenga (Nantes, France), Gustave Bebbe (Istanbul, Buyuksehir, Turkey), Serge Ngal (Uniao Leiria, Portugal)
Elong Ewane (Lille, France), Moussa Pokong (Club Africain, Tunisia), Bondoa Adiaba (DAC 1904, Slovakia)