Wales international Rhys Webb will rejoin Ospreys on a two-year deal at the end of this season.
Ospreys chairman Mike James has resigned amid reports that the club are set to merge with fellow Welsh rugby side Scarlets.
The Ospreys ran out convincing 46-14 winners over the Cheetahs from South Africa in their PRO14 fixture at the Liberty Stadium on Saturday.
- OSP14thTries Scored 1st Leinster : 51 Tries ScoredLEINS1st1351
- OSP14thPoints Difference 1st Leinster : 227 Points DifferenceLEINS1st-155227