Saracens will attempt to deny Leinster a record fifth European Champions Cup - here are the best pre-match Opta numbers.
Scotland coach Gregor Townsend has left out Richie Gray and Duncan Weir ahead of the Rugby World Cup, calling up three uncapped players.
Paddy Jackson will leave Perpignan after a single campaign in France, joining London Irish for their return to the Premiership.
Although there was no lasting damage from a chin injury, Ben Smith strained his hamstring on Saturday and will miss six to eight weeks.
Israel Folau committed a "high-level breach" of Rugby Australia's code of conduct, a panel has found.
James Haskell had looked to boost his Rugby World Cup chances at Northampton Saints but will now retire at the end of the season.