"In the position Ruben played (against Germany), you could play Dele (Alli) there, you could play (Adam) Lallana there, so that different sort of profile of midfield player with a deeper one behind". It was a bit end-to-end, but I thought we showed real composure with the ball throughout the team.
"(On Friday night) we had to be tactically right with and without the ball.
"He's a big boy, he's been the same since he was 12, I think!"
"And when you see his physical size, you think you'll also see a certain type of player".
Chelsea loanee Ruben Loftus-Cheek's potential and ability was a serious threat to the likes of Cesc Fabrgeas and N'Golo Kante.
"He's a good player who we need, so who knows what we can do yet".
"If we'd won it would have been better, but it was a tough game, and a good game from me to learn from".
'There's so much more to come from him, but there's no point getting too carried away at this points.
Five-time World Cup winners Brazil lie in wait at Wembley on Tuesday, giving England another chance to hone the three-man back line against elite opposition.
"We've got to be a team that are switched on because against the very best if you get the pressing wrong then they'll carve you apart". But I think it would be a good experience for a couple of the Under-21s to come with us anyway, to have a couple of days with the seniors.
Angus Gunn, on loan at Norwich from Manchester City, will join up with the seniors and Southgate will decide what other England Under-21 members will follow, plus whether Phil Jones should be risked after limping off in the first half.
"I think that's one of the most pleasing things of working with this group over a period of time".
"We would have played Jack in the game against Brazil".
"At the start of the season it was hard for us (to get going as a pair), but having Christian back will be a bonus for us", he said.