Published Friday, 14 December 2012
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Having beaten them just last week, coach Mark Anscombe has decided to keep his team more or less the same - and that still means no starting place for in-form Craig Gilroy.
But there is one change.
With captain Johann Muller injured, and 20-year-old Ian Henderson taking his place in the second row, Nick Williams will be promoted from the bench to fill the loose forward spot.
Chris Henry has been handed the captains arm band.
Northampton, of course, will be without star player Dylan Hartley, who was given a ban on Thursday for striking Rory Best during last week's game at Franklin's Gardens.
A win against Northampton would be another massive step towards progression to the knock out stages for the third consecutive season.
However, after much criticism regarding the manner of their defeat last week, Northampton will be arriving at Ravenhill determined to gain revenge.
Ulster: J Payne; T Bowe, D Cave, P Wallace, A Trimble; P Jackson, R Pienaar; T Court, R Best, J Afoa, I Henderson, D Tuohy, N Williams, C Henry (capt), R Wilson;
Replacements (16-23): N Brady, C Black, R Lutton, N McComb, R Diack, P Marshall, L Marshall, C Gilroy.