Several Black Cats stars are set to leave the club in the summer – including Bradley Dack and club captain Corry Evans – unless new deals are offered and agreed upon. Sunderland will also welcome several returning loan players back into the fold as well as some new signings.
Here, we take a look at how Sunderland's new-look 34-man squad could look in the summer as things stand based on transfer rumours, returning players and contract exits:
13. Luke O'Nien
The defender has captained Sunderland during this season in the absence of Corry Evans. Photo: Jess Hornby
14. Nectar Triantis
The Sunderland defender is currently on loan at Hibs in Scotland but is due to return to the club this summer. Photo: Stu Forster
15. Jenson Seelt
The former PSV defender is seen as a long-term project at the Academy of Light after signing for Sunderland during last summer's window. Photo: FRANK REID
16. Leo Hjelde
Sunderland signed the defender from Leeds United during the January transfer window. Photo: Stu Forster