The midfielder is one of two changes that the home side have been forced to make, with Steven Davies also being included in the lineup.
Bristol City: Heaton, Moloney, Nyatanga, Fontaine, Cunningham, Kelly, Kilkenny, Elliott, Pearson, Davies, Stead
Subs: Gerken, J.Wilson, Bates, Howard, Anderson, Adomah, Baldock.
Middlesbrough:Steele, Williams, Woodgate, McManus, Bailey, Dyer, Smallwood, Friend, Carayol, Emnes, McDonald
Subs: Leutwiler, Hines, Halliday, Reach, Ledesma, Main, Miller