Use the audio icons at the top of the page to listen to BBC radio commentaries
Champions: Saracens 55-36 Connacht (R)
Champions: Bordeaux Begles 36 -17 Bristol Bears (R)
Challenge: Lions 35-13 Newcastle Falcons (R)
Champions: Leinster 37-27 Sale (R)
Champions: Cardiff Rugby v Bath (20:00 GMT) - radio
Champions: Ulster v Racing 92 (20:00 GMT) - live text & radio
Ryan Baird
That is the bonus point secured for Leinster after a fourth try, this time from Ryan Baird.
He touches the ball down after Leinster go through numerous phases again and manage to find an opening.
Ciaran Frawley kicks the conversion.
Leinster 23-13 Sale
Jamison Gibson-Park knocks the ball on just short of the try line after another good passage of play.
Leinster are really trying to turn the screw here as they look to pull away from Sale.
Robbie Henshaw
The sustained pressure pays off for Leinster as Robbie Henshaw records their third try.
Dan Sheehan again bustles his way close to the try line before the ball is worked back to Henshaw, who manages to sneak over the line.
Ciaran Frawley nails the close range conversion to further stretch Leinster's lead.
Leinster 16-13 Sale
Leinster go close to another try as Robbie Henshaw and Dan Sheehan are held up inches before the try line after bursting forward.
Great scramble defence from Sale but it remains to be seen how long they can keep this up for as Leinster continue to pile on the pressure.
Leinster 16-13 Sale
A few changes for both sides as Jean-Luc du Preez makes his long-awaited return from injury to replace Rouban Birch.
Asher Opoku-Fordjour is also on for James Harper as Jonny Hill comes in for Josh Beaumont.
For Leinster, Samoa captain Michael Ala'alatoa is on for Tom Clarkson.
Jordan Larmour also goes off for Charlie Ngatai.
Leinster 16-13 Sale
Sale are holding strong after that early try from Leinster in the second half.
They win a penalty for offside from Jamison Gibson-Park and Rob du Preez goes for the corner.
Jamison Gibson-Park
Leinster take the lead early in the second half after a great passage of play.
Josh van der Flier is at the heart of it, weaving his way through two challenges before feeding Jamison Gibson-Park, who touches down despite being brought down by Raffi Quirke at the line.
Ciaran Frawley kicks wide from a tight angle from the tee.
Leinster 11-13 Sale
Leinster have started the half with greater attacking impetus and more precision in the pass as they look for a way through the Sale defence.
Leinster 11-13 Sale
We're back underway at the RDS, can Leinster fight back to secure their second successive European Champions Cup win?
HT: Leinster 11-13 Sale
Elsewhere today in Pool Four, defending champions La Rochelle suffered a second successive European Champions Cup defeat at the hands of the Stormers.
A late conversion from fly-half Manie Libbok helped the South African side to clinch a 21-20 victory over La Rochelle in Cape Town.
That makes a Leinster victory this evening even more important given the pool has been blown wide open with that result.
Leinster 11-13 Sale
Sale have a deserved but narrow lead at the break after taking the game to Leinster at the RDS as well as remaining resolute defensively.
Connor Doherty recorded a superb opening try for the away side, but Leinster grew into the game and Josh van der Flier's try just before the break gives them something to build on in the second period.
Josh van der Flier
On the stroke of half time Leinster finally get over the line and get their first try of the game.
They do well at the maul from the line out and Josh van der Flier powers his way through to touch the ball down.
Ciaran Frawley is off-target from the tee and fails to add the conversion.
Leinster 6-13 Sale
Leinster have a penalty after a high tackle from Raffi Quirke.
It came after Leinster had gone close to a try, but they were again held up by the Sale defence, who have consistently been quick off their line.
Leinster 6-13 Sale
James Harper receives a yellow card and is sent to the sin-bin after the scrum.
He had previously been warned by the referee and the away side will end the half with 14 men.
Leinster 6-13 Sale
Image source, InphoLeinster's Ryan Baird and Rouban Birch contest the high ball at the RDS
Ciaran Frawley
Leinster win a scrum penalty and Frawley is spot on again with his kick to reduce the deficit for the hosts as we enter the final 10 minutes of the half.
Connor Doherty
What a try from Sale!
The away side extend their lead with the first try of the evening.
Raffi Quirke threads a chipped pass through to Rob du Preez, who shows great awareness to offload to Connor Doherty who darts under the sticks unopposed.
Du Preez adds the extras from the tee.
A superb start from Sale, Leinster have work to do at the RDS.
Leinster 3-6 Sale
Leinster's problems early in this contest persist as they concede a scrum after the throw from their line out is not straight.
Sale win a penalty at the scrum and Rob du Preez clears for a line out.
Leinster 3-6 Sale
Leinster have a number of bursts forward led by Jordan Larmour, but they are repelled by a stern Sale defence.
Rob du Preez
Another penalty from Rob du Preez, this time from the 10 metre line, puts Sale back in front.
The penalty was awarded after the hosts were offside.
The away side have managed the first 20 minutes of this game well.