Darren Cave, Stuart Olding and Craig Gilroy have returned to Ulster from Ireland duty and all three start tomorrow night in Kingspan stadium for the PRO12 clash with the Ospreys.
Olding and Gilroy are both in the back three, at full-back and right wing respectively, with Louis Ludik joining them on the right wing.
Cave starts at outside centre with Stuart McCloskey named at inside centre. Paul Marshall and Paddy Jackson are paired again in the half-backs.
Callum Black and Wiehahn Herbst start either side of Rob Herring in the front row, with Lewis Stevenson and Franco van der Merwe have been paired in the second row.
Sean Reidy is selected at openside flanker and Clive Ross named at blindside, while Roger Wilson starts at Number 8.
Ulster team in full: S Olding; L Ludik, D Cave, S McCloskey C Gilroy, P Jackson, P Marshall; (1-8): C Black, R Herring, W Herbst, L Stevenson, F vd Merwe, C Ross, S Reidy, R Wilson (Capt);
Replacements: J Andrew, A Warwick, D Fitzpatrick, A O'Connor, N Williams, M Heaney, I Humphreys, P Nelson.