Ireland v Wales match facts
* The countries have met on 114 occasions - Wales lead the series 62-46, with six draws.
* Ireland's record win was a 54-10 success in Dublin eight years ago, while Wales boast a best of 29-0 (1907).
* The last drawn Test match between Ireland and Wales produced a 21-21 scoreline in 1991.
* Brian O'Driscoll wins his 100th cap for Ireland this weekend, just a fortnight after team-mate John Hayes achieved the feat.
* Flanker Martyn Williams will become Wales' most-capped forward on Saturday when he makes his 95th Test match appearance.
* Victory for Ireland on Saturday would complete the second leg of a possible Six Nations Triple Crown this season.
* Wales number eight Gareth Delve wins his ninth cap this weekend, but it will be a first Six Nations start for the Gloucester captain.
* Ireland have won seven of their last nine Six Nations Tests against Wales.
* Wales won 16-12 on their last visit to Croke Park in 2008. There are seven survivors among the starting line-up from that game.
* Current Wales boss Warren Gatland coached Ireland between 1998 and 2001, a 38-Test reign that produced 18 wins, one draw and 19 defeats.