Head coach Lee Johnson is still hopeful of bringing in more players before the end of the month, with another striker the priority.
Yet there is now competition for places in multiple positions, with players still set to return from injuries.
We’ve put together what we think Sunderland’s strongest starting XI could be, using Johnson’s prefered 4-2-3-1 formation.
See if you agree with the team or would make any changes:
A message from the Football Clubs Editor
Our aim is to provide you with the best, most up-to-date and most informative Sunderland AFC coverage 365 days a year.
This depth of coverage costs, so to help us maintain the high-quality reporting that you are used to, please consider taking out a subscription to our new sports-only package here.
Your support is much appreciated. Richard Mennear, Football Clubs Editor
1. GK: Anthony Patterson
Sunderland have placed trust in their academy graduate who continues to impress between the sticks. Photo: Martin Swinney
2. CB: Luke O’Nien
With Daniel Ballard expected to be sidelined for the next few months, O’Nien’s versatility is still a big asset. The 27-year-old has performed well on the right of a back three. Photo: Frank Reid
3. CB: Danny Batth
An experienced centre-back who has started every league game in the heart of defence this season. Photo: Frank Reid
4. CB: Dennis Cirkin
Signed as a left-back, the former Tottenham man has looked suited to playing on the left of a back three. Photo: Frank Reid