Ireland full-back Rob Kearney has revealed that his team-mates are calling fly-half Ian Madigan "Gazza" after his tears in Cardiff on Sunday.
Madigan, who replaced the injured Jonathan Sexton in their pool win over France, was seen crying whilst waving to family in the crowd at full-time.
And Kearney admits that while there have been a few jokes, it was an impressive performance from his Leinster team-mate in the vital 24-9 victory.
"The boys are calling him Gazza. I think it was a day where he really stood up. We needed him to come on and really take control of things and he did," he said.
While the Irish were hugely impressive at the Millennium Stadium, Kearney was quick to warn his side that they were in a similar position in 2011 and came unstuck at the quarter-final stage.
"We were here four years ago and topped the group. Everyone thought we were brilliant and we went out and we got pumped by a really good Wales team," he said, with Ireland set to face Argentina this time around.
"We don't have much time to sit around and think about this great performance we had yesterday.
"We have to move on really quickly and, apart from the Australians, I think the Argentinians have probably been the most impressive side. Their ability to score points has been very, very strong throughout the tournament and we just need to make sure that we are focused as quickly as we can be.
"It is different to four years ago because we are a very different team. Our mental strength in terms of how we approach games on a week-to-week basis has improved massively and this will be a big test for us."