2012–13 Professional U21 Development League

The 2012–13 Professional U21 Development League (League 1 referred to as the Barclays Under 21 Premier League for sponsorship reasons ) was the inaugural season of the Professional Development League's U21 competition. There were 45 participating teams in the 2012–13 Professional U21 Development Leagues; 22 in League 1 and 23 in League 2 (12 in the North Division, 11 in the South Division).

2012–13 Professional U21 Development League

The 2012–13 Professional U21 Development League (League 1 referred to as the Barclays Under 21 Premier League for sponsorship reasons ) was the inaugural season of the Professional Development League's U21 competition. There were 45 participating teams in the 2012–13 Professional U21 Development Leagues; 22 in League 1 and 23 in League 2 (12 in the North Division, 11 in the South Division).