Mr Evans, who completed the trek with polar guide Geoff Somers on 5 January, maintained a strict fitness regime for more than a year before the trek to ensure he was fit enough.

BBC: Scott centenary trek: Henry Evans reaches South Pole

The Stade Francais number eight is added to Saturday's 22, along with Rob Dewey, Max Evans, Mark Robertson, Nikki Walker, Simon Webster, Kelly Brown, Geoff Cross, Alastair Kellock and Alasdair Strokosch.

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And at lock, the squad includes Ian Evans, Richie Gray, Alun Wyn Jones, Paul O'Connell, and Geoff Parling.

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