The 2012–13 Professional U21 Development League (League 1 referred to as the Barclays Under 21 Premier League for sponsorship reasons[1]) 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).
| Competition: | Barclays U21 Premier League |
| Pixels: | 156 |
| Season: | 2012–13 |
| Winners: | Manchester United U21 |
| Biggest Home Win: | Tottenham U21 6-0 Newcastle U21 |
| Biggest Away Win: | Sunderland U21 0-4 Aston Villa U21 |
| Highest Scoring: | Newcastle U21 6-4 Tottenham U21(10 Goals) |
| Nextseason: | 2013–14 |
The top three teams in Groups 1, the top two teams in Group 2 and 3, and the best third-placed team from Group 2 and 3 will go forward to the Elite Group Stage.
The remaining third-placed team, and the fourth and fifth-placed teams from all three groups, will go forward to Qualification Group Tier One Stage. The sixth and seventh-placed teams, and the eighth-placed team from Group 1, will go forward to the Qualification Group Tier Two Stage.[2]
The teams finishing first in the two Qualification Groups played each other to decide who makes the semi-final against the winner of the Elite Group Stage.
The teams finishing second and third in the Elite Group Stage played in the other semi-final.[3]
| Competition: | Professional U21 Development League 2 |
| Season: | 2012–13 |
| Nextseason: | 2013–14 |
The teams finishing first in each division will play a semi-final against the runners-up of the opposite division, with the winners of each semi-final contesting a final to crown the overall champions of the combined League.
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