Duncan Casey signs new Munster deal as Sam Arnold moves from Ulster

Munster Rugby has confirmed this afternoon that Duncan Casey has signed a two-year contract extension and Ulster Rugby's Sam Arnold will join the province on a two-year deal.

Ulster centre Sam Arnold has lined out on 11 occasions for the northern province with the 19-year-old most recently making his Champions Cup debut starting on the wing against Oyannax in Charles Mathon in January.