Ghana striker Asamoah Gyan suffered an ankle injury while playing for English side Sunderland on Saturday. The forward fell awkwardly during the Premier League clash against Liverpool which ended 1-1.
Gyan was helped off the field in the 66th minute and could not return to continue the game.
South Korean striker Ji Dong-won replaced the Ghanaian striker just after the hour to make his Sunderland debut.
The extent of Gyan�s injury is not known but if he is out for long it could affect Sunderland�s season as he is the most experienced striker in the team.