Ospreys back row Ryan Jones will miss the start of the new season after undergoing keyhole surgery.
The back-rower went under the knife after re-aggravating a historic knee injury in training.
Ospreys Head Physio, Chris Towers, confirmed: "After undergoing investigation and bearing in mind where we are in the season it was agreed that the best course of management was for Ryan to have some minor keyhole surgery.
"The early prediction sees him back available around the six week mark."
The Welsh Rugby Union has awarded a unique 'President's Cap' to a specific group of players who represented their country between 1945 and 1979, but missed out on international recognition at the time.
Prabhat Mathema, the WRU's National Medical Manager explains the four part Pitchside Suspected Concussion Assessment process the IRB has devised that is being implemented throughout the Dove Men Series and in the LV= Cup this season, which includes the provision for a five minute temporary substitution to allow an assessment to take place.