Régis Le Bris and Xabi Alonso both have some key absentees and significant injury concerns ahead of Sunday’s crucial Premier League game.
Here’s the latest team news from both camps as we have it following the pre-match press conferences on Friday...
1. Nordi Mukiele - doubt
Sunderland are hopeful that Mukiele will be out of concussion protocols in time to feature in this game. Would be a massive boost if so. | Getty Images
2. Reece James - out
James had minor surgery in October and is facing a spell on the sidelines as a result. | Getty Images
3. Emiliano Martinez - doubt
Has missed games recently after requiring surgery on a fractured jaw. Has been back in training with protective headgear this week but Chelsea haven't yet decided to risk him. | AFP via Getty Images
4. Moises Caicedo - doubt
The midfielder has missed some training this week with some muscle discomfort and Alonso confirmed he is a doubt for this one. | AFP via Getty Images