Six Nations 2020: Twickenham is a very tough place – Sam Warburton

Sam Warburton says a Wales win over England at Twickenham on Saturday would ranke among the players' career highlights.

Warburton, now a member of Wayne Pivac's coaching team, was on the winning side at Twickenham on two occasions - in the 2012 Six Nations and the 2015 World Cup.