The Ospreys welcome defending champions Leinster to the Gnoll on Friday evening for round 12 of the Guinness PRO14, K.O 7:35pm.
The two sides have met 33 times, with the Ospreys winning 12 times and Leinster 18. The two have drawn on three occasions.
Referee: Stuart Berry (SARU, 30th competition game)
Assistant Referees: Aled Evans, Ben Breakspear (both WRU)
TMO: Tim Hayes (WRU)
Citing Commissioner: Dennis Jones (WRU)