Black Cats look set to have their minds focused on easier tasks
The festive period isn't much of a problem for bigger teams with bigger squads but struggling sides have to prioritise matches.
Moyes is likely to give some of his top men a break and United are likely to take full advantage with a comfortable home win.
Man Utd -1.5 on Asian handicap
2pts 4-6 Paddy Power
Luke Shaw (knock) will not be ready to return but no fresh injuries are reported.
Jan Kirchhoff (knee) faces 12 weeks on the sidelines and Billy Jones (hip), Javi Manquillo (knock) and Steven Pienaar (calf) are doubts. Lee Cattermole, Paddy McNair, Lynden Gooch and Duncan
Watmore are out long-term.
Sunderland haven't scored in five of their last six away league games