The pain of losing the Heineken Champions Cup final to La Rochelle in the last minute last year is still driving Leinster on.

The fact the final this year is in the Aviva Stadium is a huge incentive for them, with Johnny Sexton retiring at the end of the season and Stuart Lancaster moving on.

It's a very difficult opener away to Racing 92, who are second in the Top 14 at the moment.

It's a team full of stars and a repeat of the 2018 final, when Leinster beat Racing in Bilbao.

Overall, I think Leinster are good enough to win this one.

Normally I'd expect Ulster to win against Sale, but it all depends how they react to last weekend's massive setback.

Ulster have been going great this year, but they were 19 points up against Leinster and playing against 14 men when Cian Healy was sent off after 20 minutes, and yet they conspired to lose.

That's the difficulty with Ulster, just when you expect themselves to kick on, they find a way to shoot themselves in the foot.

As long as they can recover mentally they should be OK.

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That said, Sale are going really well this year and are second in the Gallagher Premiership.

Their head coach Alex Sanderson has had a lot of success in this competition with Saracens over the years.

It won't be straightforward. At a minimum Ulster have to come back with a losing bonus point.

There's a magic about Toulouse, and games between Munster and Toulouse over the years have been spectacular.

Munster always rise to the occasion when Toulouse come to town.

They've played each other twice in the last 18 months. There was the 24-24 draw in the quarter-finals last year before that dreaded penalty shootout at the Aviva. In 2021, Toulouse beat Munster in Thomond Park 40-33 in the round of 16.

Toulouse should alway beat Munster, but Munster have a habit of raising their game when the big boys come to town.

Toulouse are packed with eight or nine of the France team that won the Grand Slam and they're favourites, but Munster have had a great couple of weeks.

They're expanding the way they're looking to play and this will be their biggest test to date.

I wouldn't write Munster off and this will be a statement game for Graham Rowntree as to how his side are developing, but it's not going to be easy.

Donal Lenihan was speaking on RTÉ's Morning Ireland

Follow Racing 92 v Leinster (Saturday 1pm) and Munster v Toulouse (Sunday 3.15pm) via our live blogs on rte.ie/sport or on the RTÉ News app. Watch Munster v Toulouse live on RTÉ2 and RTÉ Player

Listen to live commentary from Sale Sharks v Ulster on RTÉ Radio 1 Extra (Sunday 1pm) and Munster v Toulouse on RTÉ Radio 1