David Moyes admits the early signs "do not look great" after Duncan Watmore was stretchered off during the home win over Leicester City.
Sam Allardyce confirmed that Duncan Watmore has returned to the club ahead of schedule and is in contention to return for the weekend.
Duncan Watmore is poised for a first team return after re-joining the main group in training this week.
Duncan Watmore could return ahead of schedule and play again before the end of the season as long as the Sunderland forward avoids any major setbacks.
Sam Allardyce confirmed that forward Duncan Watmore picked up a considerable ankle injury against Liverpool and will be assessed in the next two weeks.
There weren't many highlights for the Black Cats as they lost at home 3-1 to newly promoted Norwich City but Duncan Watmore's goal on his debut was at least cause for a little celebration.
Sunderland youngster Duncan Watmore has completed a loan move to Scottish side Hibernian until the end of the season.