Leigh Halfpenny, who dislocated his right shoulder against England on Sunday, will undergo surgery tomorrow.
He is expected to be out for up to four months, the WRU says.
Rhys Webb has now been released from the National Squad following his ankle injury, and will be assessed by a medical team at the Ospreys.
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Updates on Swansea City, Cardiff, Wrexham and Newport County.
There will be some light rain but it's mostly dry with sunny spells developing.