London Irish have made four changes to their side for Saturday's Heineken Cup clash against Cardiff Blues at the Madejski Stadium (3.40pm).
Toulouse will be looking to get their Heineken Cup campaign back on track after their disappointing defeat in their last outing in Pool 6 when they host Irish province Connacht.
Reigning champions Leinster know a victory in Glasgow over the Warriors will complete the first step of their defence of their Heineken Cup title on Sunday.
Harlequins will be looking to build on their victory over Toulouse in France when they host Gloucester at the Twickenham Stoop in their penultimate game of the pool stages.
Clermont Auvergne will be looking to pick up all the spoils when they clash with Aironi in Monza in a bid to keep their Heineken Cup quarterfinals place alive.
Munster will be determined to keep their impressive winning record in this season's tournament and secure their place in the last eight of the Heineken Cup when they host Castres Olympique.
Cardiff Blues travel to face London Irish knowing they need a victory to keep their Heineken Cup quarterfinals place when the two sides clash at the Madejski Stadium on Saturday.
The Scarlets will be under no illusions that they have to do 'the double' over the Saints when the two sides come face-to-face at Parc y Scarlets on Saturday.
Montpellier are still looking for their first victory in this season's Heineken Cup and will be looking for that win when they play host to Bath at the Stade Yves du Manoir.
Biarritz star Dimitri Yachvili has warned that his side is in for a severe test against a "heavy duty" Saracens side when they clash with the Premiership champions at Vicarage Road on Sunday.
Geordan Murphy has predicted "an arm wrestle" when Leicester fight to keep their Heineken Cup quarter-final hopes alive at Ulster on Friday.
The Ospreys will be looking to keep their unbeaten record against Italian sides when they host Benetton Treviso, who they drew with the last times the sides met.
Edinburgh will be looking to make sure they keep their hopes for a Heineken Cup quarterfinal place on track when they travel to Paris to face Racing Metro at the Stade Yves Du Manoir.
Ulster will be determined to grind out a home win when they host Leicester Tigers in what promises to be a mouthwatering and compelling clash at Ravenhill on Friday.
Head coach Michael Bradley has urged Edinburgh to send out a strong message on Friday by defeating Racing Metro in the Heineken Cup pool game.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
The All Blacks Performance t-shirt is black with hints of blue from the training jersey. Very Cool.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.