Exeter Chiefs-bound Scotland full-back Stuart Hogg knows Glasgow Warriors will have to be at their best to see off Ulster.
Wales coach Shaun Edwards has urged focus on this year's World Cup and not his next career move following comments by Wayne Pivac.
Nicky Smith was linked with the likes of Cardiff Blues, Sale Sharks and Gloucester, but the prop is staying with his home region.
The Bulls have confirmed another star player is to depart, with Jesse Kriel signing with Canon Eagles in Japan.
Scotland full-back Stuart Hogg has welcomed reports that Warren Gatland will coach the Lions in South Africa in two years' time.
Handre Pollard has agreed to join Top 14 heavyweights Montpellier and Morne Steyn will return to his homeland to replace the fly-half.
Franco Smith has accepted the opportunity to coach at international level with perennial Six Nations strugglers Italy.
There will be three Du Preez brothers - including twins - and identical Curry twins at Sale Sharks next season.
The Dragons believe ex-Gloucester and Worcester Warriors boss Dean Ryan is the right man to turn around their fortunes as sporting director.
Hooker Jamie George waxed lyrical over Billy Vunipola following his magnificent display in the European Champions Cup final.