By LUKE JARMYN

Sale Sharks Gus Warr believes that time spent rubbing shoulders and working with the likes of double World Cup winner Faf de Klerk has helped lift his game to another level.
The tyro has waited in the wings understudying a conveyer belt of quality for Sale’s No.9 shirt in recent years, including former England and Great Britain scrum-half Joe Simpson, as well as Will Cliff and current sparing partner Raffi Quirke.
Having become a mainstay of the side at the helm of the Premiership, and getting a winning start to Sharks’ Champions Cup campaign a fortnight ago, the 24-year-ol...