"I think it has to be the best achievement. The way we played – it was a complicated game, we had to keep changing defensively. The end is so special for the squad," Southgate told ITV at full time.
"Sometimes subs can work that way, the most important thing is every member of the squad is ready to come into the game. I've spent a lot of time with the players and their attitude has been exemplary.
"We felt energy wise, we gelt we were losing a bit of pressure. Ollie can press well and make those runs in behind. We also had Phil's shot cleared off the line, a disallowed goal. We deserved it tonight.
"We were fluid in formation, Bukayo did a brilliant job. I think that is as well as Phil's played in an England shirt, he had a huge influence on the game. You look at the numbers, it was like we were playing away but not with the noise."