James Rodriguez lasted just half an hour of Colombia's win over Senegal and coach Jose Pekerman admits the midfielder's fitness is a worry.
Senegal's exit on fair play points means the World Cup knockout matches will not feature any African sides.
Japan and Senegal broke new ground on Thursday as FIFA's fair play rankings were used to decide a World Cup group for the first time.
James Rodriguez and Radamel Falcao played peripheral roles as Yerry Mina stepped up to become Colombia's World Cup hero.
Japan's surprise loss to already-eliminated Poland proved irrelevant as Colombia knocked Senegal out with a 1-0 victory in Samara.
Japan's surprise loss to already eliminated Poland proved irrelevant as Colombia knocked Senegal out with a 1-0 victory in Samara.
Speculation surrounding a potential move away from Napoli is not distracting Kalidou Koulibaly from Senegal's World Cup campaign.
Yerry Mina endured a difficult first few months at Barcelona, but Colombia coach Jose Pekerman insists he never lost faith in the defender.
Colombia hauled itself back into World Cup contention with its win over Poland and another defeat of Senegal would see it advance.
Colombia hauled themselves back into World Cup contention with their win over Poland and another defeat of Senegal will see them advance.