"We had a tactical problem to sort out and so many lads playing their first 45 minutes of the season", he added of the first-half display.
'Our first half performance was embarrassing but it's great we can shout at each other to change things, ' said the Tottenham defender, who impressed as England bounced back from Saturday's 2-1 Wembley defeat to Spain.
But tonight the teams will go head-to-head at Leicester's King Power Stadium instead of the national stadium.
Check out the talking points of the game below.
He was one of only two players to keep their place as Gareth Southgate shuffled his pack at the King Power Stadium and a disjointed first-half showing followed.
Marcus Rashford got ahead of Alexander-Arnold with the eye on goal, but flashed his effort way off target on 26 minutes.
"He'll return to Spurs for further treatment, with no further additions to the Three Lions squad planned".
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England struggled to get Loftus-Cheek on the ball in risky positions in the first half and when they did, he was unable to do much with it, often showing an inability to turn when presented with the ball with his back to goal.
While England had an impressive summer campaign at the World Cup, defying all expectations to reach the semi-finals over in Russian Federation, they did so with a relatively young and inexperienced side.
Eric Dier actually gets paid to play football. Delph offered little forward thrust either, meaning that it was often left to Rashford to take the initiative by turning and running at the Swiss back three.
"The players have given everything through a really hard period".
The winger was unable to influence the game as much as he would have liked in the second half.
England were fortunate to reach half-time on terms but there was an improvement in terms of intensity and performance from Southgate's men after the restart.