He's tested positive for Covid 19.
He's gone into isolation after the result was confirmed this morning.
All of the other
Eadestown's Tadhg Beirne has been named to start for Ireland while Athy's Joey Carbery is among the replacements.
Meanwhile Wales face in-form
Kick-off at the Principality Stadium is at eight o'clock.

Kildare SF Team (one late change) vs Wexford
Brighton Have Re-Signed Midfielder Pascal Gross
Bournmouth Sign Experienced Goalkeeper Fraser Forster On A Short-Term Contract
Crystal Palace Complete The Club Record Signing Of Brennan Johnson From Tottenham
It's The Women's National Cup Semi Finals Weekend
Donadea's Will Connors To Start For Leinster In Saturday's Clash Against Connacht
Liam Rosenior Named Leading Contender To Become Chelsea's New Head Coach
Friday Morning Sports Update