The Ospreys can announce hooker Todd Gleave has been signed on loan from Gloucester for the rest of the season.
Gleave, 25, has made 20 appearances for the Cherry and Whites and previously played for London Irish in the Premiership.
Hookers Dewi Lake (ankle) and Scott Otten (neck) will miss the Rainbow Cup due to injury and have been ruled out for the rest of the campaign.
Photo credit - Martin Bennett