The Official Online RBS 6 Nations Store is open. The store has everything you need to get behind your team during the RBS 6 Nations, plus the store is now fully stocked with a much wider range of rugby merchandise.
Wales have traditionally had a poor record at home to Ireland in the Six Nations, enjoying just one win in 12 of their last matches in Cardiff.
In their last visit to the Millennium Stadium, Declan Kidney’s team secured the Grand Slam while Munster have twice lifted the Heineken Cup in the same venue.
But O’Driscoll is adamant Roberts’ threat will have to be shutdown if their glowing record is to continue.
"Jamie's a talented footballer, a great ball carrier and a big, hard physical guy who uses his size really well," said O'Driscoll.
"He's the sort of guy who accelerates into tackles and knows what his power can do.
"He's definitely a player of a very high calibre and getting better with each Test he plays. He's a big threat.
"A lot of guys who have played there before have good memories. The Munster boys won two Heineken Cups there while we have a Slam to remember from the last time we were in Cardiff.
“It's not somewhere we love going to, but it's not somewhere that we fear going to.
"It's a game that's up for grabs depending on whether you play better than the And they're the sort of odds you want going into any game.
"It's very, very loud and is definitely one of the best stadiums in the world to play in because of the atmosphere and the noise generated there. The crowd is right in on top of you."