Williams' has made a number of changes to the team that faced Leinster, at the RDS, in the last round of the league. Out half Niall O'Connor will replace Ian Humphreys at No.10, Humphreys will sit this match out completely. Robbie Diack is back in the starting line-up at No.8, which has moved Chris Henry to blind side flanker, and Matt McCullough to the replacements bench.

After a number change last week, Andrew Trimble is back on the left wing in the No.11 shirt, and Simon Danielli is back on the right at No.14. Tom Court will start the Ospreys match on the bench; while Bryan Young will start as loose head prop in the front row, alongside Captain Roy Best and South African BJ Botha.

Tickets are still available for the match.

Ulster Team

(1-8)
Bryan Young, Rory Best (Capt), Brendon Botha, Ed O'Donoghue, Ryan Caldwell, Chris Henry, David Pollock, Robbie Diack

(15-9)
Clinton Schifcofske, Simon Danielli, Darren Cave, Paddy Wallace, Andrew Trimble, Niall O'Connor, Isaac Boss

Replacements

(16-22)
Nigel Brady, Tom Court, Carlo Del Fava, Matt McCullough, Cillian Willis, Ian Whitten, Timoci Nagusa