World Cup: Kyle Walker reveals Messi's weakness, warns England against man-marking

Former England right-back Kyle Walker advised head coach Thomas Tuchel to avoid man-marking Lionel Messi in the World Cup semi-final against Argentina. Walker noted that Messi does not track back sufficiently, which could be a tactical advantage, but man-marking might provoke him. Messi has scored eight goals and provided two assists in the tournament. Walker, now retired from international football, shared his insights in his column for The Sun.