Adnan Januzaj has been ruled out for a minimum of six weeks after suffering an ankle injury during Sunderland's 3-2 defeat to Crystal Palace.
The on-loan Manchester United winger has impressed following a loan move from Old Trafford, putting in a number of positive performances in the Premier League while scoring a stunning winner in the EFL Cup.
In order to assess the extent of the injury the 21-year-old underwent a scan on Tuesday, with the results confirming he suffered ankle ligament damage and now faces an unfortunate spell on the sidelines.
A Belgium international, Januzaj will now focus on returning to action as soon as possible.