Middlesbrough full-back George Friend is likely to miss Saturday's FA Cup tie after aggravating a calf injury.
Daniel Ayala is out with a hamstring problem suffered last week, while Adlene Guedioura is ineligible having played for Watford in the fourth round.
Manchester City captain Vincent Kompany could be available for the first time in six weeks.
Long-term absentees Ilkay Gundogan and Gabriel Jesus are the only players definitely sidelined.
MOTD COMMENTATOR'S NOTES
Steve Bower: "The midweek league draw at home to Stoke has only increased the importance of the FA Cup if Pep Guardiola wants to mark his first season in England with silverware.