Most British sports fans are familiar with the maxim that ‘football is a game for gentlemen played by hooligans, and rugby union is a game for hooligans played by gentlemen’. It was coined more than half a century ago by Arthur Tedder, then chancellor of Cambridge University, and for decades the saying stood the test of time: George Best and Gareth Edwards, Paul Gascoigne and Gavin Hastings, John Terry and Jonny Wilkinson.