Graham Rowntree believes England can win the World Cup despite possessing a team whose best years lie ahead of them.
Shaun Edwards says Wales are confident that only naming two hookers in their squad does not constitute a major gamble.
Matt Scott has told Vern Cotter's critics to lay off the Scotland head coach, insisting he has his players' trust.
Wales wing George North will make his first Millennium Stadium appearance for almost six months on Saturday.
Ireland coach Joe Schmidt believes England boast "a nice balance" to their World Cup midfield options.
Former England and Bath full-back Nick Abendanon has signed a new three-year contract with Clermont Auvergne.
Geoff Parling views the visit of Ireland to Twickenham on Saturday as the chance for England's pack to prove their recent wobble is merely a temporary setback.
Mike Ross believes Tadhg Furlong can handle his "baptism of fire" at loosehead prop against England at Twickenham.
Wales have identified tighthead prop Aaron Jarvis as a player to provide possible emergency cover at hooker.
Ryan Wilson insists he will not repeat the mistakes which left his World Cup dreams hanging by a thread.