Leinster players celebrate Nathan Hines’ try in their Heineken Cup final victory over Northampton  in 2011. The two sides will meet in Pool 1 in this season’s competition. Photograph: Colm O’Neill/Inpho

An opener against 2012 Rabo League champions Ospreys, a second match against this year’s French champions Castres, and back-to-back fixtures with 2000(...)