O'Gara suffered a leg injury in that game that has kept him sidelined until this week and his return comes at a more than opprtune time as Munster's latest bout of injury removed Paul O'Connell and Damien Varley from the Swansea equation.
A big crowd is expected at the Liberty for what may be a final goodbye from wing legend Shane Williams to the Ospreys fans
Coach Steve Tandy confirmed today that Williams, will be in his starting XV on Friday.
Munster will name their starting XV tomorrow at midday before flying out to Bristol in the afternoon.
Munster Squad: F Jones, D Barnes, J Murphy, I Dineen, K Earls, L Mafi, S Zebo, T O'Leary, C Murray, S Deasy, I Keatley, R O'Gara, D Kilcoyne, W du Preez, S Archer, J Ryan, M Sherry, D Fogarty, S Henry, BJ Botha, Donncha O'Callaghan, M O'Driscoll, D Ryan, T O'Donnell, Dave O'Callaghan, P O'Mahony, P Butler.
Guinness PRO12
Suite 208, Alexandra House,
The Sweepstakes
Ballsbridge, Dublin 4, Ireland