Sancho, 18, has starred for Dortmund, scoring once and contributing eight assists in 10 appearances - just three of those starts - this campaign. Southgate has clearly been watching Sancho play for Dortmund and brought him into his squad for the games against Croatia and Spain.
The 18-year-old broke the mould for young English talent when turning down a contract offer reported to be in the region of £30,000 per week at Manchester City to broaden his horizons and seek the regular football he was never likely to find at the Etihad.
England midfielder Eric Dier believes the stream of young players coming into the global fold is helping to keep the more established names on their toes.
Paul Mariner is delighted for Gareth Southgate's England extension and breaks down the UEFA Nations League roster to face Croatia and Spain.
It'll be more playing time, at a club with a history of nurturing young talents, that allows Sancho to fulfil his masses of potential, develop further and, in the fullness of time, secure a move to a European big-hitter.
Jadon Sancho decided that his opportunities at Manchester City would be limited, with Raheem Sterling and Leroy Sane ahead of him in the pecking order, so he made a decision to move on, signing for Borussia Dortmund.
"I was a bit surprised, to be fair, because, obviously, I'm so young so I have still got a lot to learn", he explained.
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NY set a major league record this year for most home runs in a season, but didn't go deep in the two games at Yankee Stadium. It is not warm. "I thought Angel Hernandez called a good game", he told reporters, per James Wagner of the New York Times .
Summer signing Samu Castillejo is also at his disposal, but time will tell if Sancho opts to leave Germany firstly, and whether it's for England or Italy if the reported clubs all hold a genuine interest in acquiring his services next year.
"But that won't faze me at all".
Maddison and Mount aren't yet playing at that level, but they too have shunned the glamour of the top six sides in the Premier League to ensure more minutes on the field. I don't know what to say'.
His under-15 and under-16 sides England coach, Dan Micciche also mentions to sky sports that "He is unusual in the sense that he is a winger who can run with the ball at pace and go on both sides, but he is a street footballer, ".
Sancho said: "Obviously moving from home, that was the biggest".
Mount admits that experience only made him more determined to return on a more full-time basis as he looks to become the first outfield Championship player to earn an England cap since Cardiff's Jay Bothroyd in 2010. He had a pass success rate of 91.7% and created several good opportunities for his teammates.