When Fikayo Tomori stepped on to the Fadil Vokrri Stadium in Pristina on Sunday night it marked further progress in Gareth Southgate’s youthful revolution. After naming England’s youngest line-up for 60 years against Montenegro on Thursday, Southgate introduced the latest junior to his senior ranks in Kosovo, where a trend, laced in blue, began to emerge.

Coming on as a late substitute in the 4-0 win, Tomori became the 1,246th player to wear the Three Lions shirt and the 30th new recruit since Southgate took charge three years ago. Look a little closer and one club stands out. From the past 21 players to be brought into the team, nine have come from Chelsea’s academy (no other club has more than two).

Most of them