straight to your inboxKyle Walker's impressive return to the right of a back three for England could be the way to include both him and Trent Alexander-Arnold in the same starting XI, Gareth Southgate has hinted.Manchester City defender Walker played a key role in England's journey to the semi-finals of the 2018 World Cup as the third centre-back in a 3-5-2 formation, with Keiran Trippier at right-back. However, since that tournament, England have tended to play with a back four.