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Owen Watkin will make his 50th appearance for the Ospreys, while Hanno Dirksen will make his 150th appearance.
For the Irish province, Louis Ludik has returned from injury and will start on the left wing.
He is joined in the back three by full-back Matt Faddes and Robert Baloucoune, who re-joins the Ulster squad following his involvement in the development group which trained alongside the Irish squad in the build-up to the Six Nations.
(Continue reading below…)
Michael Fatialofa releases footage of his landmark first steps following spinal injury
Billy Burns has also been released from international duties and will start at fly-half alongside David Shanahan who comes in to start at scrum-half.
— Ospreys (@ospreys) February 14, 2020
ICYMI | Here is your Ulster team to take on @ospreys at Liberty Stadium on Saturday ??
— Ulster Rugby (@UlsterRugby) February 14, 2020
Alan O’Connor will lead the side from the second row and is partnered by Kieran Treadwell.
Matthew Rea and Sean Reidy – who both recently signed two-year contract extensions – start in the back row alongside No8 Marcell Coetzee.
WATCH: Dai Young has been relieved of first-team duties at Wasps
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