One of rugby's oldest rivalries is renewed today as Leinster faces Ulster at Aviva Stadium in Dublin, Ireland.

The two clubs have a combined five European Championships, with Leinster winning four of them. Leinster, who returns several players from the Six Nation's Grand Slam winning Irish team, finished first in the Heineken Champions cup Pool A, while Ulster finished eighth in Pool B

Stream the 2023 Heineken's Champions Cup knockout round games live on FloRugby. 

Follow @FloRugby for exclusive content, highlights, and analysis from the Heineken's Champion's Cup.

How To Watch Leinster Vs. Ulster Rugby In The Heineken Champions Cup

Heineken Champions Cup: Leinster To Down Ulster In Last Sixteen

Follow the action in the Stormers-Harlequins game below. 

Leinster V. Ulster Live Rugby Updates From Heineken Champions Cup

Heineken Cup Champions Cup Fixtures 

All times are in EST. 

• Leicester 16, Edinburgh 6
• Sharks 50, Munster 35
• Stormers 32, Harlequins 28
• Leinster vs. Ulster, 12:30 p.m., April 1 
• La Rochelle vs. Gloucester, 12:30 p.m., April 1
• Exeter vs. Montpellier, 6:30 a.m., April 2
• Toulouse vs. Bulls, 10 a.m., April 2
• Saracens vs. Ospreys, 10 a.m., April 2

How To Watch Every Heineken Champions Cup Match

The Heineken Champions Cup is streaming on FloRugby and the FloSports app, including the round of 16 and all the way up to the Heineken Cup Final

When is Heineken Cup Final 2023?

The Heineken Cup Final is on May 20, 2023 at Aviva Stadium in Dublin, Ireland.