Secondrow Devin Toner will miss the rest of Ireland's Six Nations campaign after undergoing ankle surgery that will keep the Leinster player out for two months.
The 32-year-old aggravated an existing issue in last weekend’s 32-20 defeat by England in Dublin.
The recovery period would also keep him out of Leinster’s Champions Cup quarter-final against Ulster on Saturday March 30th.
Connacht's Quinn Roux replaces Toner for Saturday's game against Scotland at Murrayfield.
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