Champions Cup team news: Harry Byrne starts for Leinster, Craig Casey fit to start for Munster

Harry Byrne has been rewarded for his heroics in last weekend's win over La Rochelle as he starts at fly-half for Leinster against Bayonne.

Leo Cullen's side welcome back Tadhg Furlong and RG Snyman from injury, with Snyman partnered by James Ryan in the second row.

Garry Ringrose is back from injury to start alongside Robbie Henshaw, with Rieko Ioane among the replacements.

Jack Boyle starts in place of the injured Paddy McCarthy, with Ronán Kelleher completing the front row.

Jimmy O'Brien is also back from injury to start at full-back, with Joshua Kenny and Tommy O'Brien on the wings.

Leinster team to face Bayonne: J O’Brien; T O’Brien, G Ringrose, R Henshaw, J Kenny; H Byrne, J Gibson-Park; J Boyle, R Kelleher, T Furlong; RG Snyman, J Ryan; M Deegan, J van der Flier, C Doris (capt).

Replacements: D Sheehan, J Cahir, T Clarkson, J McCarthy, S Penny, L McGrath, S Prendergast, R Ioane.

For Munster, they are welcomed by the news that Craig Casey is fit to start at home to Castres.

Tadhg Beirne will make his 100th appearance for Munster in the back row, where he is joined by Jack O'Donoghue and Gavin Coombes.

Thaakir Abrahams comes in for Calvin Nash, who is ruled out due to injury, with Ben O’Connor on the wing.

Munster side to take on Castres: S Daly; T Abrahams, T Farrell, A Nankivell, B O’Connor; J Crowley, C Casey; J Loughman, N Scannell, M Ala’alatoa; J Kleyn, F Wycherley; T Beirne (capt), J O’Donoghue, G Coombes.

Replacements: L Barron, M Milne, O Jager, E Edogbo, B Gleeson, E Coughlan, JJ Hanrahan, D Kelly.