2013–14 Professional U21 Development League

The 2013–14 Professional U21 Development League (League 1 referred to as the Barclays Under 21 Premier League for sponsorship reasons) was the second season of the Professional Development League system. There were 42 participating teams in the 2013–14 Professional U21 Development Leagues; 22 in League 1, and 20 in League 2. League 1 had a new format, with the three groups system being abandoned in favour of a single league system with the teams finishing in the top four positions qualifying for a playoff stage.

2013–14 Professional U21 Development League

The 2013–14 Professional U21 Development League (League 1 referred to as the Barclays Under 21 Premier League for sponsorship reasons) was the second season of the Professional Development League system. There were 42 participating teams in the 2013–14 Professional U21 Development Leagues; 22 in League 1, and 20 in League 2. League 1 had a new format, with the three groups system being abandoned in favour of a single league system with the teams finishing in the top four positions qualifying for a playoff stage.