Ulster forwards coach Allen Clarke will join Ospreys at the end of the season, replacing Chris Gibbes.
Ospreys coach Steve Tandy believes Wales are lucky to have two top fly-halves available in Sam Davies and Dan Biggar.
Ospreys move top of the Pro12 table as they inflict Edinburgh's fifth successive defeat in awful conditions at Myreside.
Ospreys wing Hanno Dirksen facing a six-month injury lay-off after having surgery on his left knee.
Audio & Video
Watch Scrum V's highlights as Ospreys move top of the Pro12 with a hard-fought victory over Edinburgh.
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