2026 Munster Rugby vs Castres Olympique

Munster Rugby vs. Castres Kickoff Time, Lineups

Munster Rugby vs. Castres Kickoff Time, Lineups

Get lineups, kickoff time and streaming details for Munster Rugby vs. Castres in the Investec Champions Cup, live on FloRugby and the FloSports app.

Jan 16, 2026 by Joe Harrington
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One of the most familiar fixtures in Investec Champions Cup history returns to Thomond Park with Pool 2 still wide open and no team yet assured of a place in the knockout rounds. 

Munster Rugby and Castres have crossed paths repeatedly in recent seasons, meeting five times since 2018 and three times since December 2021. That familiarity adds weight to a matchup that once again carries direct consequences for qualification.

Munster enters Round 4 needing a result to stay clear of elimination danger. The Irish province has split its home and away results so far, losing on the road to Bath Rugby in Round 1 and to Toulon in Round 3, while earning a critical home win over Gloucester in Round 2. 

Sitting on six match points and owning the tiebreaker over Gloucester, Munster knows a home victory would keep multiple qualification paths open, including a possible push toward the No. 2 seed if Toulon slips elsewhere. A loss, however, could leave Munster vulnerable to missing the Round of 16 altogether.

Castres arrives at 1-0-2 in pool play with an uneven but dangerous profile. The Top 14 side rebounded from an opening loss by crushing Edinburgh 33-0 in Round 2, before falling 43-20 at home to Bath in Round 3. 

With Pool 2 so tightly compressed, Castres still has a path into the playoffs, particularly with a bonus-point win. The margins are so slim that a single result elsewhere could dramatically reshape the standings, making Saturday’s contest one of the most consequential matches of the round.

Munster Rugby vs. Castres Kickoff Time, Lineups

Munster Rugby hosts Castres at 12:30 p.m. ET on Saturday, Jan. 17, at Thomond Park in Limerick as Pool 2 play concludes in the Investec Champions Cup.

How To Watch Munster Rugby vs. Castres

Munster Rugby vs. Castres streams live on FloRugby and the FloSports app in the United States, with full Investec Champions Cup coverage available throughout the competition.

Munster Rugby Lineup vs. Castres

Starting XV

  1. Jeremy Loughman
  2. Niall Scannell
  3. Michael Ala'alatoa
  4. Jean Kleyn
  5. Fineen Wycherley
  6. Tadhg Beirne
  7. Jack O'Donoghue
  8. Gavin Coombes
  9. Craig Casey
  10. Jack Crowley
  11. Ben O'Connor
  12. Alex Nankivell
  13. Tom Farrell
  14. Thaakir Abrahams
  15. Shane Daly

Replacements

  • 16. Lee Barron
  • 17. Michael Milne
  • 18. Oli Jager
  • 19. Edwin Edogbo
  • 20. Brian Gleeson
  • 21. Ethan Coughlan
  • 22. JJ Hanrahan
  • 23. Dan Kelly

Castres Lineup vs. Munster Rugby

Starting XV

  1. Atunaisa Sokobale
  2. Loris Zarantonello
  3. Will Collier
  4. Gauthier Maravat
  5. Tom Staniforth
  6. Baptiste Delaporte
  7. Baptiste Cope
  8. Florent Vanverberghe
  9. Jeremy Fernandez
  10. Pierre Popelin
  11. Geoffrey Palis
  12. Jack Goodhue
  13. Vuate Karawalevu
  14. Christian Ambadiang
  15. Theo Chabouni

Replacements

  • 16. Teddy Durand
  • 17. Antoine Tichit
  • 18. Aurelien Azar
  • 19. Leone Nakarawa
  • 20. Tyler Ardron
  • 21. Santiago Arata
  • 22. Enzo Herve
  • 23. Atu Manu

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Investec Champions Cup Round 4 Fixtures

Friday, Jan. 16

  • 3 p.m. ET – Pau vs. Vodacom Bulls (Pool 4)
  • 3 p.m. ET – Bath Rugby vs. Edinburgh Rugby (Pool 2)

Saturday, Jan. 17

  • 8 a.m. ET – Hollywoodbets Sharks vs. Clermont Auvergne (Pool 1)
  • 10:15 a.m. ET – Bayonne vs. Leinster (Pool 3)
  • 10:15 a.m. ET – Stormers vs. Leicester Tigers (Pool 3)
  • 12:30 p.m. ET – Toulouse vs. Sale Sharks (Pool 1)
  • 12:30 p.m. ET – Munster Rugby vs. Castres Olympique (Pool 2)
  • 3 p.m. ET – Gloucester Rugby vs. Toulon (Pool 2)

Sunday, Jan. 18

  • 8 a.m. ET – Bristol Bears vs. Bordeaux-Bègles (Pool 4)
  • 10:15 a.m. ET – Northampton Saints vs. Scarlets (Pool 4)
  • 10:15 a.m. ET – La Rochelle vs. Harlequins (Pool 3)
  • 12:30 p.m. ET – Glasgow Warriors vs. Saracens (Pool 1)

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