There are three changes to the team that defeated Ospreys.

Toulouse face a ‘mountainous’ challenge against the premier club side in Europe when they face Leinster in the semi-final of the Champions Cup, according to double World Cup-winning All Black Jerome Kaino.

Four stunning quarter-finals, three of which were decided by a single score, made for a sensational weekend of Champions Cup rugby.

Toulouse overcame the first-half dismissal of Zack Holmes to beat Racing 92 22-21 in a thrilling Heineken Champions Cup quarter-final.

Racing 92 booked a home Heineken Champions Cup quarter-final with a 46-33 bonus-point victory over the Scarlets in Paris.

Leicester kept their slim Heineken Champions Cup hopes alive by securing a four-try bonus point in a thrilling 36-26 defeat to Racing 92 in Paris.

The show was almost over by the time Simon Zebo’s moment presented itself against Ulster late on Saturday night.

The show was almost over by the time Simon Zebo’s moment presented itself against Ulster late on Saturday night, writes Brendan O’Brien

Donal Lenihan examines the decisive factors today at the San Mamés Stadium

Munster will go into Champions Cup semi-final weekend as the only one of Europe’s last four with a win behind them after their opponents this Saturday – Racing 92 – were defeated by Toulouse.

It will take just over an hour by air for the Racing 92 players to fly to Toulouse for Sunday’s important Top 14 game at the Stade Ernest Wallon, writes Ronan O’Gara.

Leinster will have to do without in-form Ireland prop Cian Healy for the Christmas and new year interprovincial derbies after he was suspended for three weeks last night.

Racing 92 kept alive their European Champions Cup quarter-final hopes by claiming a comfortable Pool Four victory over Castres in Paris.

The Conrad Hotel, Dublin.

French giants Stade Francais and Racing 92 will merge next season, forming an “absolute monster” Top 14 Paris super club.

Pride restored after a Parisian wake-up call a fortnight ago, Ronan O’Gara was able to take plenty of encouragement from Racing 92’s honourable defeat on his return to Thomond Park.

So much for the French unpredictability. The world and its mother knew Racing 92 would take a scalpel to the side that earned a losing bonus point away to Toulon in last week’s domestic fixture and the reigning Top 14 champions duly performed significant surgery.

He’s not an All Black anymore but Dan Carter’s still got it.

Leicester boss Richard Cockerill praised Freddie Burns’ “stardust” qualities after the fly-half inspired Tigers’ 27-17 European Champions Cup victory over Racing 92 at Welford Road.

Simon Lewis compares the sides ahead of Sunday’s Champions Cup opener.

Rassie Erasmus will have no issue if his Munster side faces the Racing 92 trio currently facing doping allegations when the Champions Cup rivals clash in Paris on Sunday.

From where Munster was 18 months ago, things looked and felt a whole lot more positive from where I was sitting Tuesday night, writes Ronan O’Gara

Wales lock Luke Charteris has been hailed as one of Racing 92’s “most valuable assets” this season.

Five-try Racing extended their advantage at the summit of the Top 14 with a bonus-point 39-35 triumph, as late tries from Xavier Chauveau and Joe Rokocoko broke Grenoble’s stubborn resistance.

As Test match debuts go, Virimi Vakatawa’s was something special. It took the 23-year-old France winger just 14 minutes to mark his first international appearance with a try. It was a sweet score, too, stepping inside a defender to dot down for the opening try of France’s 23-21 victory over the Italians.

Racing 92 sealed a home quarter-final tie in the European Champions Cup with a record victory over Scarlets in Paris.

New Year’s resolutions? Don’t believe in them, writes Ronan O’Gara

Michael Cheika is just 80 minutes away from completing the coaching miracle of the professional era after guiding Australia to the World Cup final last night.

Argentina 43 Ireland 20: So the wait goes on. Ireland’s quest for a first World Cup semi-final appearance had never been in better hands and yet here we all are again, staring into the abyss for another four years after another deeply disappointing demise at the last-eight stage.

Argentina piled on World Cup misery on Ireland once again by reaching the last four of the competition with a 43-20 victory in Cardiff this afternoon.

Argentina 45 Tonga 16: Argentina captain Agustin Creevy revealed Diego Maradona’s dressing room dance has driven them to push for Rugby World Cup glory.

Argentina 54 Georgia 9: Argentina are at that stage of development where they are potentially both giants and giant-killers at this World Cup, and, having come up short in their attempts to stun the All Blacks last Sunday, the key objective for them in Gloucester yesterday was not to become the victims of shock.

Racing Metro 92 11 Saracens 12: Marcelo Bosch basked in the gratitude of his team-mates after kicking Saracens into the semi-finals of the Champions Cup in dramatic scenes in north Paris.

Johnny Sexton had suffered a few knockouts in his time but never one like this — sitting on a chair in a Paris suburb just off the peripherique.

Argentina 21 Australia 17

Australia 32 Argentina 25