Tony Mowbray’s side have been dealt significant injury setbacks over the last week, with captain Corry Evans likely to miss the rest of the season with an ACL injury.
Top scorer Ross Stewart also looks set for a lengthy spell on the sidelines after he was stretchered off during Saturday’s FA Cup match at Fulham.
Losing two key players has forced Sunderland to reassess their transfer plans and could lead to a busy final day of the window.
Here are nine potential deals to look out for:
Losing two key players has forced Sunderland to reassess their transfer plans and could lead to a busy final day of the window.