Wasps beat Ulster to help Saracens into the last eight of the European Champions Cup.
Will Genia sustained a broken arm in Australia's second-Test defeat to Ireland, with coach Michael Cheika critical of the "king hit" that caused the injury.
Leinster confirmed the signing of Australia attacker Joe Tomane on a two-year deal from Montpellier.
Johnny Sexton conceded "we did it the hard way" after Leinster left it late to beat Racing 92 and secure a record-equalling fourth European Champions Cup title.
Leinster maintained its perfect run in European Champions Cup finals with a last-gasp 15-12 win over Racing 92 in Bilbao to make it a record-equalling four titles.
Rampant Leinster marched into the European Champions Cup final with a clinical 38-16 victory over Scarlets at a sun-drenched Aviva Stadium on Sunday (AEST).
Ruthless Leinster ended Saracens' European Champions Cup reign and marched into the semi-finals with a 30-19 victory at the Aviva Stadium.