This year's Guinness PRO14 will come down to a fascinating derby clash as Leinster take on Munster today.
Here's everything you need to know about the big game.
Where is it and what time does it start?
The game takes place at the RDS with a 5pm kick-off.
Where can I watch it?
Both TG4 and Eir Sport 1 are broadcasting the game, coverage starts at 4pm (Eir Sport 1) and 4.20pm (TG4).
Johnny Sexton and Tadhg Furlong both start on the bench for Leinster after returning from Ireland's Six Nations campaign.
Meanwhile, CJ Stander, Keith Earls, Peter O'Mahony, Conor Murray and Tadhg Beirne all start for Munster as Johann van Graan's side look to end their 10-year wait for a title.
Leinster: Hugo Keenan; Jordan Larmour, Rory O’Loughlin, Robbie Henshaw, Dave Kearney; Ross Byrne, Luke McGrath (captain); Cian Healy, Rónan Kelleher, Andrew Porter; Devin Toner, Scott Fardy; Rhys Ruddock, Josh van der Flier, Jack Conan,
Replacements: James Tracy, Ed Byrne, Tadhg Furlong, Ross Molony, Ryan Baird, Jamison Gibson-Park, Johnny Sexton, James Lowe
Munster: Mike Haley; Andrew Conway, Chris Farrell, Damian de Allende, Keith Earls; Joey Carbery, Conor Murray; James Cronin, Niall Scannell, John Ryan; Jean Kleyn, Tadhg Beirne; Gavin Coombes, Peter O’Mahony (C), CJ Stander.
Replacements: Kevin O’Byrne, Dave Kilcoyne, Stephen Archer, Billy Holland, Jack O’Donoghue, Craig Casey, JJ Hanrahan, Rory Scannell.