Liam Squire is leaving New Zealand at the end of the campaign to join NTT Docomo Red Hurricanes in Japan.
Scott Robertson had been tipped to take over with New Zealand when Steve Hansen steps down, but he has agreed a new deal with the Crusaders.
Racing 92 ran out of time in their defeat to Toulouse, while La Rochelle survived a Top14 scare against lowly Grenoble.
Racing 92 have some pretty formidable back-up for Finn Russell with Dan Carter returning to the Top14 club.
A minor calf strain means Chris Ashton will miss England's trip to face Wales in the Six Nations.
Marnus Schoeman finished with a hat-trick in Buenos Aires on Saturday as the Lions started the 2019 campaign on a winning note.
In his first Super Rugby appearance, 29-year-old former sevens star Rosko Specman set the Bulls on the road to beating the Stormers 40-3.
Perpignan finally had a win to celebrate, while Clermont Auvergne were too good for Bordeaux-Begles in Top14.
Zebre put on a spirited showing but ultimately fell short against Pro14 heavyweights Leinster.
Leicester Tigers limped to defeat at Saracens, meaning the victors once again sit top of the Premiership.