On the back of finishing top of their group, England will next face Germany in a mouth-watering round-of-16 clash in Euro 2020.
Southgate chose players in the group stage who were happy to receive the ball at their feet but were hesitant to stretch the opposition's defence with their movements.
Goals from John Jensen and Kim Vilfort completed the fairy tale for the last-minute entrants.
The English captain, who has struggled to reach his usual heights in Euro 2020, has been linked with a move away from Tottenham Hotspur in the coming window.
The link-up play between Germany's Robin Gosens and Kai Havertz against Portugal was a treat to watch. Similar notable partnerships in Euro 2020 are listed below:
The Liverpool midfielder believes that Sancho and Bellingham can give England additional insight about Germany ahead of their round-of-16 match.
Germany came from behind twice against Hungary in their final group game to set up a date with the Three Lions in the Euro 2020 round-of-16.
The Group of Death is shaping up to be really interesting in Euro 2020.
UEFA on Tuesday turned down a request to allow the Allianz Arena to be lit up in rainbow colours during Germany's Euro 2020 match against Hungary.
The Portuguese superstar sprinted across the pitch at breakneck speed to score his first goal against Germany in Euro 2020 on Saturday.