The Official Online RBS 6 Nations Store is open. The store has everything you need to get behind your team during the RBS 6 Nations, plus the store is now fully stocked with a much wider range of rugby merchandise.
And of the five changes uncapped flanker Claassen’s inclusion was the main talking point with the Castres player having been born in South Africa.
Foreign-born players have represented France in the past and Claassen follows in the footsteps of compatriot Pieter de Villiers, Algeria-born Abdelatif Benazzi and New Zealand-born Tony Marsh in doing so.
And 28-year-old Claassen, who arrived in France in 2007, is ready for the test after admitting that all eyes will likely be on him against England.
"Of course my case is unusual and I appreciate that some may not be happy," Claassen said.
"I know that I will have more pressure than the others and that I will be observed more closely.
"Nothing can alter the joy I have been feeling since Monday. I am proud, it's magical.
"I was at Twickenham two years ago with my mates to watch England v France. My God, what an atmosphere!
"I have been in France for five years and I feel better here than in South Africa.
"I don't know how to explain it, it's a matter of sensations. I like living here and I'd like to live here all my life."