The England midfielder said Emily Webb, England senior team operations coordinator and PA to Southgate, is ready to get him back as quickly as possible - and with the blessing of the England manager.
On Friday morning, his piece for The Players' Tribune was released in which he writes about the murder of his father, having to stay in Jamaica while his mother went to study in England and growing up in the shadow of Wembley.
What England have learnt from their study of the Central American side, playing in their first World Cup, is that "Los Canaleros" will aim to play a high-paced, physical game.
Trippier is now preparing for England's World Cup match against Panama on Sunday.
Asked if Southgate asks players to keep the team to themselves, Alexander-Arnold said: "No, but it's just general knowledge to do that".
As it is, the late goal has ensured the growing positivity surrounding this new, open England squad can continue and the support back home is building as a result.
Southgate took issue with the media publishing the photograph and said journalists covering England must decide whether they want to help or hinder his team at this World Cup.
Lionel Messi Misses Crucial Penalty, Argentina & Iceland Draw 1-1
At Euro 2016, Iceland drew against Cristiano Ronaldo's Portugal and famously beat England on the way to the quarter-finals. The ref pointed to the spot and naturally Messi was decided amongst his teammates he was the worthy choice to play "God".
A Supreme Court Ruling Could Make Your Online Purchases More Expensive
You have most likely been able to avoid paying sales tax on a lot of online purchases over the years, but that's coming to an end. The top court in the U.S. has ruled that states can force online companies to collect sales tax from their customers.
Diego Maradona 'cries' as Argentina are beaten 3-0 by Croatia
Their latest ad featuring two of world'd greatest footballers, Cristiano Ronaldo and Lionel Messi are at the centre of it all. Argentina , which has not missed the second round since failing to qualify for the 1970 World Cup, has not been eliminated.
More of the same will be needed in Nizhny Novgorod.
Southgate's side must be wary of conceding throw-ins in risky positions as this will be bring the danger of Adolfo Machado into play.
Just watch the long throws.
England's training base at Spartak Zelenogorsk now includes a different perimeter fence.
Defender John Stones has no worries: "It was the flies more than anything else in Volgograd". The heat didn't bother me and didn't hear any of the boys saying anything about it.
"Let's talk about the other night".
Has anyone checked if Sergio Ramos is actually now playing against Iran or has he been replaced by a doppelganger whilst the Spain captain is actually hanging around England's training camp in Repino.
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