Sexton ruled out of Argentina game

Ireland flyhalf Johnny Sexton has been ruled out of the Rugby World Cup quarter-final against Argentina due to a groin injury, the Irish Rugby Football Union said on Saturday.

Argentina plotting for Ireland, 'the best in Europe'

Game on: Agustin Creevy runs the ball up.

Ed Osmond   Argentina have beaten Ireland twice in three previous World Cup meetings, but that means nada, says Los Pumas coach.

Omens, a 115kg horseman ... and Serge Blanco?

Open minded: Wales coach Warren Gatland.

Richard Shute   Wales coach Warren Gatland is banking on a slice of luck, and a small amount of superstition, as the Springboks loom large.

Ayerza putting Irish heritage to one side

"When I have time in the off-season I try to ride still and play polo for fun - I know I'm bigger than the average jockey!": Marcos Ayerza.

Part-Irishman and accomplished polo player Marcos Ayerza is itching to take down the land of his forefathers with Argentina's secret scrummaging weapon.

Pumas confident of beating Irish

"I know Ireland has European teams but for us it has become a nice challenge, a great derby:" Juan Martin Hernandez.

Juan Martin Hernandez believes Argentina can prove Ireland's World Cup scourge once more in a fourth "El Clasico".

Picamoles back for France against Ireland

Key man: Louis Picamoles of France will be a handful for Ireland.

Number eight Louis Picamoles will start France's Rugby World Cup Pool D decider against Ireland on Sunday.

Rugby World Cup 2015: Ireland beat Italy to make quarter finals

Peter O'Mahony of Ireland is tackled by Michele Campagnaro of Italy.

Padraic Halpin   Ireland secured their place in the Rugby World Cup quarter-finals on Sunday but were far from convincing in their first real test of the competition, squeezing past Italy 16-9 to move on to a group decider against France.

Don't count out Ireland, Wales as winners

Flying: Wales have impressed in their outings so far.

Matthew Burke   As we dive deeper in this rugby World Cup, still the burning question is who are the favourites?

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Rugby World Cup 2015: Ireland name the oldest team ever

Experience: Irish Captain Paul O'Connell.

Tom Cary   Ireland have named the oldest starting XV in World Cup history.

D'Arcy and Trimble out as Irish gamble

Missing out: Gordon D'Arcy (pictured in 2006) made his Ireland debut in 1999.

Tom Cary   Gordon D'Arcy's international career may be over after the veteran centre was left out of Ireland's Rugby World Cup squad yesterday.

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Wales edge Ireland in bruising World Cup warm-up

Wales Jamie Roberts, centre, side steps a tackle by Ireland's Johnny Sexton, left, during their international rugby union match at the Aviva stadium, Dublin, Ireland, Saturday, Aug. 29, 2015.  (AP Photo/Peter Morrison)

Padraic Halpin   Wales hung on to beat Ireland 16-10 in an intense World Cup warm-up game.

Ireland edge out impressive Scots

Forward momentum halted: Ireland's Simon Zebo is tackled by Scotland's Peter Horne.

Padraic Halpin   Ireland were far from their best but came from behind three times in a thrilling second half to edge out impressive Scotland 28-22 in a World Cup warm-up.

Ireland crush Wales in World Cup warm-up

Ireland's Dave Kilcoyne breaks through the Welsh defence.

Six Nations champions Ireland scored five tries in an impressive 35-21 defeat of Wales in Cardiff as their World Cup build-up began in earnest on Saturday.

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Ireland captain signs with Toulon

Paul O'Connell with this year's Six Nations trophy.

Ireland stalwart Paul O'Connell, England prop Matt Stevens and South Africa back-rower Duane Vermeulen have all signed for European champions Toulon.

Prop in strife after Ireland loss to Barbarians

Facing ban: Jack McGrath.

Ireland prop Jack McGrath may face a suspension that could ruin his World Cup hopes after kneeing Konstantin Mikautadze in the back during Ireland's 22-21 defeat against the Barbarians on Thursday.

Poms can play and they'll pick Big Sam: Cheika

Michael Cheika says it would be foolish to write off Australia's chances of lifting the Webb Ellis Cup for a record third time.

Paul Cully   Michael Cheika has greeted World Cup group rivals England's ability to play a more attacking, open style with an utter lack of surprise and is also adamant they will pick Sam Burgess.

Ruthless Leinster, inspired Clermont reach semis

DUBLIN, IRELAND - APRIL 04:  Ian Madigan of Leinster starts an attack during the European Rugby Champions Cup Quarter Final match between Leinster Rugby and Bath Rugby at Aviva Stadium on April 4, 2015 in Dublin, Ireland.  (Photo by Stu Forster/Getty Images) Ian Madigan

Ian Madigan kicked Leinster to a gripping 18-15 win over Bath and Clermont Auvergne dismantled Northampton 37-5 in wildly contrasting European Champions Cup quarter-finals on Saturday.

Irish shed inhibitions to prove World Cup credentials

Flying high:  Ireland will compete at the World Cup as the reigning Six Nations champions.

Oliver Brown   Joe Schmidt's team use their licence to attack to show doubters they can win with flourish, writes Oliver Brown

Ireland overpower Scotland to win Six Nations title

Ireland's captain Paul O'Connell  holds the trophy after winning the  Six Nations rugby union international tournament at Murrayfield stadium, Edinburgh, Scotland, Saturday, March 21, 2015. (AP Photo/Scott Heppell)

Alasdair Reid   Ireland played like the World Cup contenders they are.

Wales hold off Ireland to blow Six Nations wide open

Hanging tough: Sam Warburton (right) celebrates with Leigh Halfpenny after Wales' gritty Six Nations win over Ireland.

James Corrigan   Win over Ireland gives inspired Wales a shot at the Six Nations title heading into the final round.