article_snippet.sent: Under 19 sides got together for a couple of minutes of football.
article_snippet.sent: Number of England players on the pitch: 
article_snippet.sent: Daniel Geey, a sports lawyer at FieldFisher, told Sportsmail:
article_snippet.sent: Some of the referees at Under 19s level will be just starting out Some of the referees at Under 19s level.
article_snippet.sent: Teams must field the same players which were on the pitch at that moment.
article_snippet.sent: Former Everton and England captain Mo Marley is head coach of the national women's U19 team .
article_snippet.sent: England women's senior head coach Mark Sampson tweeted: 'Difficult circumstances for our @england U19. 