Gareth Southgate commits to back three for England’s World Cup mission

• Southgate says formation will help England play out from back at Russia 2018
• ‘System gives us good stability and easier solutions for our midfield players’Gareth Southgate has committed England to playing three at the back during next summer’s World Cup having identified the system as “a better option” and will use the friendlies over the next eight months to familiarise his players with the formation.Although there is a risk to cementing plans around