The Waratahs have re-signed versatile Australia international Adam Ashley-Cooper for the 2019 Super Rugby campaign.
Stuart Hogg believes Scotland are on the path to "something incredibly special" and can win the Six Nations this year.
Wales only have four players unavailable to face France in the Six Nations, with Gareth Davies making a surprise return.
Harlequins have moved to tie down Danny Care's future by signing the England scrum-half to a two-year contract extension.
Toulouse replaced Clermont Auvergne at the summit of the Top 14 table on Sunday, while Toulon scored two late tries to stun Stade Francais.
Jack Clifford says Harlequins are on a mission to have fun in their quest for silverware after committing his future to the London club.
Clermont had not been beaten since October, but they were brought back down to earth by Top 14 champions Castres.
Southern Kings produced a stunning late fightback to claim only their second win of the season, halting Edinburgh's impressive run.
Benetton Treviso's winning run was ended at five matches as Ulster earned a dramatic draw in the Pro14.
Reported Northampton Saints target Jonathan Joseph is set to stay at Bath after signing an undisclosed contract extension.