NORTHAMPTON v LEINSTER
ONLINE
Live blog on RTÉ.ie/sport
TV
Live on Channel 4, BT Sport, Virgin Media
WEATHER
Mostly cloudy, 9C
Last year's beaten finalists Leinster are on the road as they look to make it three pool wins on the trot. They face the current Premiership leaders.
Leo Cullen recalls a host of internationals as the Blues aim to build on wins over Benetton and Lyon.
Northampton also bring two-match winning streak to the table, having met the same teams.
ULSTER v HARLEQUINS
ONLINE
Live blog on RTÉ.ie/sport
RADIO
Live commentary with Gary Moran and Paddy Wallace on RTÉ Radio 1's Saturday Sport.
TV
Live on BT Sport
WEATHER
Cloudy, 11C
Dan McFarland's men have also got two wins under their belts with an impressive opening-day success in Bath and a hard-fought home victory over Clermont.
Jacob Stockdale starts and the Ireland international is one of five changes to the side that recorded a bonus-point victory against the Scarlets last Friday.
The visitors, meanwhile, suffered a heavy defeat away to the French side in their first game but bounced back with a narrow win over their Premiership rivals the following week.
MUNSTER v SARACENS
ONLINE
Live blog on RTÉ.ie/sport
RADIO
Live commentary with Michael Corcoran and Donal Lenihan on RTÉ Radio 1's Saturday Sport.
TV
Live on BT Sport
WEATHER
Scattered Showers, 12C
Munster dug deep for a bonus-point win away to the Ospreys and had to do the same to salvage a draw against Racing 92 in Thomond two weeks ago.
There is little margin for error in their second home game.
Johann van Graan has named a strong outfit, while the current champions have decided to omit a number of high-profile internationals, indicating that their priority is to avoid domestic relegation.
They lost their opening game in Paris before filling their boots against the troubled Welsh outfit.
GLOUCESTER v CONNACHT
ONLINE
Live blog on RTÉ.ie/sport
TV
Live on BT Sport
WEATHER
Cloudy, 9C
Sunday sees Connacht face a Gloucester side currently seventh in the Premiership table.
The Kingsholm team have accrued two losing bonus points from games against Toulouse and Montpellier, while Andy Friend's charges beat Montpellier at the Sportsground before losing in France to Toulouse.
Connacht have been boosted by the return of their captain Jarrad Butler to the starting team.
