Northern Ireland ended the 2-0 victory on Thursday with three 19-year-olds on the pitch.
A number of England supporters were caught in overcrowding outside Stadio Diego Armando Maradona
Declan Rice scored before the England skipper Harry Kane lashed home a penalty to become the first man ever to score 54 goals for England, who held on for a 2-1 win after Mateo Retegui's goal and a late Luke Shaw red card. "We knew it was going to be a difficult game, then we conceded two goals from two set pieces," the former Manchester City boss Mancini said.