The Nations league can be tough, especially if you're in League A and you have to play against other quality teams.
When the World Cup qualifiers proper come around next year there will be minnows in the group that England will beat up on and everyone will forget how they struggle against the better teams. That will only be exposed at the Euros/World Cup.
When the World Cup qualifiers proper come around next year there will be minnows in the group that England will beat up on and everyone will forget how they struggle against the better teams. That will only be exposed at the Euros/World Cup.