Scott Robertson is sidelined with a groin problem, while Prince Buaben and Danny Swanson are unavailable due to suspension, meaning Jennison Myrie-Williams, Craig Conway and David Robertson all vying for starting places.
Captain Lee Wilkie is doubtful with an ankle problem, left-back Paul Dixon is also ruled out with a knee injury, while Francisco Sandaza, Jon Daly and Kevin Smith are all out long term.
United (from): Weaver, Dods, Webster, Kenneth, Dillon, Kovacevic, McCord, Myrie-Williams, Gomis, Conway, D Robertson, Cadamarteri, Goodwillie, Casalinuovo, Banks, Shala, Fotheringham, Cameron.
