Leinster 2025-26 season previewpublished at 09:55 BST 26 September 2025
Image source, Getty ImagesReiko Ioane will join up with the Leinster squad after New Zealand's autumn Tests
Ins: Reiko Ioane (Blues)
Outs: Jordie Barrett (Hurricanes), Cian Healy (retired), Ross Byrne, Rob Russell (both Gloucester)
Last season: Champions
First five games: Stormers (A), Bulls (A), Sharks (H), Munster (H), Zebre (H)
Prospects: A three-season gap without a trophy constitutes a silverware drought for a side like Leinster with Leo Cullen's men ending that unwelcome streak with victory over Glasgow in URC final in June.
Defeat by Northampton Saints in the Champions Cup semi-finals, however, again gave the impression that the prize they most desired had proved elusive.
Despite the conclusion of Jordie Barrett's short-term deal, Leinster have been able to replace like for like by bringing in his All Black colleague Reiko Ioane in what was one of the most talked about signings in recent Irish rugby history - a penny for Johnny Sexton's thoughts, anyone?
Cian Healy, the side's most capped player of all time, has retired while another hugely reliable performer, Ross Byrne has departed too.
But perhaps the toll of the British and Irish Lions series is the biggest unknown going into Leinster's season. Twelve of their number were in the original touring panel before Jamie Osborne and Tom Clarkson were added as injury cover later on.
Leinster will be favourites to be crowned champions once again but, with Caelan Doris, Hugo Keenan and Joe McCarthy all to miss the start of the season through injury, how will those exertions down under impact their players across another long season for club and country?























