England's left back for the Republic of Ireland was Levi Colwill, a central defender. For Finland, it was Rico Lewis, a right back. Ben Chilwell represented his country as recently as March and yet even amid such a shortage, he has never been further from the Three Lions line-up.
That is because Chilwell has not been training with Chelsea's first team, let alone playing in the Premier League as a 27-year-old Englishman who should be entering the prime of his career.
Health is not the issue. Chilwell participated in the pre-season tour of the United States, featuring in every training session and two fixtures after upholding his annual tradition of emerging triumphant in the club's running tests alongside Malo Gusto.