Ireland v Wales facts
* The countries have met on 123 occasions. Wales lead the series 67-50, with six draws.
* Ireland's record win was a 54-10 victory in 2002, while Wales boast a best of 29-0 in 1907.
* The last drawn Test match between Ireland and Wales produced a 21-21 scoreline in 1991.
* Ireland have not lost a home game in the RBS 6 Nations Championship since Joe Schmidt became head coach.
* Ireland have lost their opening game of a Six Nations campaign just once since 2004 - against Wales four years ago.
* Warren Gatland will take charge of his 85th Test match as Wales head coach on Sunday, putting him third on the all-time list behind New Zealand's Graham Henry (103 Tests) and France's Bernard Laporte (98).
* Ireland will become the first team to claim a Six Nations title hat-trick if they lift the trophy this season.
* Wing Tom James will make his first Wales appearance since November 2010 in Sunday's Aviva Stadium encounter.
* Wales have a total of 364 caps among the replacements for Sunday's game, just four appearances behind their record set against Canada during the 2007 World Cup.
* Lock Bradley Davies will become the 39th Wales player to win 50 caps if he appears off the bench this weekend.