Springbok head coach Rassie Erasmus has proposed a major change to the international rugby calendar to ease the player workload for South Africa's top internationals.
France and Ireland have named their teams for Saturday's epic Six Nations clash in Dublin, with France coach Fabien Galthie once again opting for a 7-1 split on the bench.
France sent a warning to upcoming opponents Ireland with their hammering of Italy 73-24 at the Stadio Olimpico on Sunday.
Finn Russell's three missed conversions proved costly as England hung on for a 16-15 victory over a valiant Scotland side at Twickenham.
Ireland remain on course for a Six Nations Grand Slam but survived a huge scare against a much-improved Wales before completing a 27-18 victory at the Principality Stadium in Cardiff.
Wales have announced the departure of head coach Warren Gatland with immediate effect after a run of 14 successive Test defeats.