Sheffield United hope to have Lys Mousset, Rhian Brewster, John Fleck, Enda Stevens and John Egan all fit.
Loanee Ethan Ampadu is back after being ineligible to face Chelsea, while the Blades are waiting to find out whether Sander Berge is available after a Covid-19 scare.
West Ham forward Michail Antonio could return from a two-match absence with a hamstring problem.
Angelo Ogbonna has overcome a knock but Andriy Yarmolenko is self-isolating.
LAWRO'S PREDICTION
It's surprising to see Sheffield United struggling so badly. The worrying thing for them last time out was not that they lost to Chelsea, but that they had such a soft centre.