Two French tacticians lord over two teams undergoing a transformation in this 2016 RBS 6 Nations opener - and it's only fitting that Guy Novès and Jacques Brunel are pitted against each other for quite possibly the last time.
Mike Brown admits he hurt more than most when England's RBS 6 Nations title chances took a hit against Ireland last time out - now the returning full-back wants to put that right against Scotland on Saturday.
Scotland have not tasted success on French soil for 16 years but if they could handpick a coach from all of world rugby to mastermind a victory over their Gallic rivals then Vern Cotter would probably be the choice.
It's all change for Warren Gatland this Saturday as Wales' head coach heads into the fifth and final round of fixtures in the 2014 RBS 6 Nations against Scotland in unfamiliar territory with no title to play for.
Throughout RBS 6 Nations history no two players have defined Italy more than Sergio Parisse and Martin Castrogiovanni - so it's fitting that they break the Azzurri's all-time caps record together on Saturday.
They are the captains of the last two British & Irish Lions tours yet neither started their country's opening victories of the 2014 RBS 6 Nations - but Paul O'Connell and Sam Warburton are ready to lead their sides into battle in Dublin on Saturday.