Ospreys captain Alun Wyn Jones will undergo surgery on his shoulder after being injured during the Wales game against Argentina at the weekend.
A spokesperson for the Ospreys also confirmed Jones has been ruled out of the remainder of the regions Heineken Cup Pool 2 Campaign.
Chris Towers, Ospreys Head Physio, said: "He is due to undergo the surgery at the end of this week, and we will be looking at a 12-16 week rehab process post-op to get him back on the field."
It's an intriguing weekend of football, with fixtures for Swansea, Cardiff and Wrexham. Rob King looks ahead to the games...
A summary of all the results from today's sporting fixtures