Sam Underhill warns England of 'extra edge' to Wales game

Former Ospreys back-row indebted to Justin TipuricThere’s definitely a special sense of occasion, he saysEngland have been warned not to underestimate the cross-border passion driving Wales in the build-up to their Six Nations match at Twickenham on Saturday. Sam Underhill, the flanker who spent a formative period of his career playing for Ospreys, also believes the home side need to keep close tabs on his Welsh counterpart Justin Tipuric, whom he rates as the best back-row in the world.Underhill spent two seasons with the Ospreys while at university in Cardiff and saw precisely how much the E…