Preview: Toulouse v Harlequins
Harlequins will send their first choice XV to Toulouse on Sunday for their Heineken Cup clash at Stade Ernest Wallon.
Preview: Northampton v Perpignan
Northampton face a must-win clash against Perpignan on Sunday if they are to stay in touch with pool leaders Munster for next week’s showdown.
Preview: Clermont v Ospreys
Clermont have named a frighteningly strong XV to take on the Ospreys for what is arguably the biggest game of Round Five.
Preview: Gloucester v Biarritz
Biarritz can confirm their place in the quarter-finals with a Pool Two victory at struggling Gloucester on Saturday.