Overview
- The IRFU confirmed Byrne is unavailable after a concussion sustained minutes into Leinster’s 8-7 URC defeat to Cardiff.
- Bundee Aki has rejoined the national setup following a January suspension for abusing match officials during a Connacht fixture.
- Jimmy O’Brien has linked up with the squad and Robbie Henshaw is due to connect early in the week.
- Ulster’s Cormac Izuchukwu remains in graduated return-to-play protocols and will rejoin the group once cleared.
- Ireland prepare for Round 4 against Wales on Friday night at a sold-out Aviva Stadium in Dublin.