The Owls travel to the Riverside on Boxing Day aiming for back to back wins under caretaker manager Lee Bullen, with Boro looking to continue their promotion push.
TEAMS
Middlesbrough: Randolph, Friend, Ayala, Clayton, Assombalonga, Howson, McNair, Downing, Fry, Flint, Besic
Substitutes: Konstantopoulos, Braithwaite, Hugill, Saville, Wing, Tavernier, Walker
Wednesday: Westwood, Palmer, Lees, Hector, Fox, Hutchinson, Bannan, Matias, Reach, Joao, Fletcher
Substitutes: Dawson, Baker, Thorniley, Onomah, Pelupessy, Boyd, Nuhiu