Ross Byrne insists he can handle the pressure despite admitting it will be "big" if he makes his first Six Nations start on Saturday.
Byrne, 27, is in line to replace Johnny Sexton against Italy at the Stadio Olimpico after Ireland's skipper and out-half suffered a groin injury in the second round victory over France.
In 16 appearances for his country, Byrne has made two starts - both came against England in Twickenham, but neither game was in the Six Nations.
