Top international coaches speak of building block performances, foundation stones within the construction of a winning side. Those days that serve as proof of concept and proof of potential; a reference point, a formative experience to look to in the many moments of doubt. The storms in professional sport come with relative regularity, the fierce winds that shake the structures and self-assurance one hopes to build. It is the ability to survive these squalls that create champions, we are told – the top teams swaying with the irregular gusts of the elite level.
For nearly a year, England have pointed to their win over Ireland as one such constitutional cornerstone. Few had given them a prayer as the visitors came chasing their grand slam dream; away the eventual tournament winners went beaten by the better team as the hosts at last produced a performance of which Twickenham could be proud.