Six Nations title winners in 2024, Ireland's form has suffered of late and they are under pressure to perform heading into 2025.
Saracens missed out on the chance to book a Champions Cup round of 16 home tie as Castres produced a stunning victory in London.
Northampton overcame the loss of injured captain George Furbank to post a statement 30-21 Investec Champions Cup win against the Bulls in Pretoria.
A round-up of Sunday's Investec Champions Cup action, where both Ulster and Leicester Tigers suffered defeats to French opposition.
Andy Farrell says Ireland have "battened down the hatches" in their quest to retain the Six Nations title after players received online abuse after their loss to England.
Ciaran Frawley has been named to start for Ireland at full-back in place of the injured Hugo Keenan vs Wales in Six Nations Round 3.
Dan McFarland has stepped down as Ulster head coach after nearly six years in charge following three defeats in a row in all competitions.
Grand Slam winners in 2023, Ireland suffered familiar quarter-final heartbreak at the autumn's Rugby World Cup. How will Andy Farrell's charges respond?
Harlequins produced a 47-19 win over Ulster that keeps them in the chase for home advantage in the Champions Cup knockouts, and leaves Ulster out.
A look back at the highlights and lowlights from an action-packed, breathless year for Irish sport.
Clinical Ulster secured a big victory against Racing 92 in the Champions Cup while Bath edged out Cardiff and holders La Rochelle lost again.
Henry Slade held his nerve as Exeter launched their Champions Cup campaign with a stunning 19-18 victory over Toulon.
An Ireland all-time great has stepped away from the stage in Johnny Sexton. One of the big questions in rugby is, who does Andy Farrell turn to next?
Former Ireland captain Rory Best has embarked on a 330km, 10-day journey across Ireland to raise €2m for a child cancer charity
Leinster booked passage through to the Heineken Champions Cup quarter-finals as they outmuscled Ulster 30-15.
Johnny Sexton, Garry Ringrose and Tadhg Furlong have each proved their fitness to start in Ireland's Six Nations clash vs Scotland.
Andy Farrell has made six changes to the Ireland Six Nations side to face Italy in Rome on Saturday, with half-backs Ross Byrne and Craig Casey in.
Ireland have suffered a further injury blow ahead of hosting France in the Six Nations, with Dan Sheehan ruled out due to a hamstring injury.
Tadhg Furlong has been ruled out of Ireland's 2023 Six Nations opener vs Wales in Cardiff, in a major blow for Andy Farrell's side.
Triple Crown winners in 2022, and off the back of a series win in New Zealand, can Andy Farrell's Ireland kick on to clinch the Six Nations?