The 18-year-old's new terms will see him stay at Oakwell until 2017.
"I'm obviously delighted and glad to be here for the next four years," Digby told the Tykes' official website. "Hopefully we can progress as a club."
Digby signed his first professional deal with Barnsley in 2011.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Birmingham CityBirmingham | 21 | 15 | 4 | 2 | 37 | 16 | 21 | 49 |
| 2 | Wrexham | 23 | 14 | 6 | 3 | 35 | 16 | 19 | 48 |
| 3 | Wycombe WanderersWycombe | 22 | 14 | 5 | 3 | 47 | 24 | 23 | 47 |
| 4 | Huddersfield TownHuddersfield | 22 | 13 | 4 | 5 | 36 | 19 | 17 | 43 |
| 5 | Stockport CountyStockport | 23 | 10 | 7 | 6 | 35 | 24 | 11 | 37 |
| 6 | Reading | 22 | 11 | 4 | 7 | 36 | 32 | 4 | 37 |
| 7 | Barnsley | 23 | 10 | 6 | 7 | 34 | 32 | 2 | 36 |
| 8 | Bolton WanderersBolton | 21 | 10 | 4 | 7 | 32 | 31 | 1 | 34 |
| 9 | Charlton AthleticCharlton | 22 | 9 | 6 | 7 | 27 | 21 | 6 | 33 |
| 10 | Leyton Orient | 22 | 9 | 4 | 9 | 28 | 20 | 8 | 31 |
| 11 | Mansfield TownMansfield | 21 | 9 | 4 | 8 | 27 | 24 | 3 | 31 |
| 12 | Lincoln CityLincoln | 23 | 8 | 7 | 8 | 28 | 29 | -1 | 31 |
| 13 | Exeter CityExeter | 22 | 9 | 4 | 9 | 26 | 27 | -1 | 31 |
| 14 | Stevenage | 21 | 8 | 5 | 8 | 18 | 20 | -2 | 29 |
| 15 | Blackpool | 22 | 7 | 7 | 8 | 30 | 33 | -3 | 28 |
| 16 | Wigan AthleticWigan | 22 | 7 | 6 | 9 | 21 | 20 | 1 | 27 |
| 17 | Rotherham UnitedRotherham | 21 | 6 | 6 | 9 | 20 | 23 | -3 | 24 |
| 18 | Peterborough UnitedPeterborough | 22 | 7 | 3 | 12 | 39 | 43 | -4 | 24 |
| 19 | Northampton TownNorthampton | 23 | 5 | 7 | 11 | 23 | 39 | -16 | 22 |
| 20 | Bristol Rovers | 22 | 6 | 4 | 12 | 19 | 35 | -16 | 22 |
| 21 | Crawley TownCrawley | 22 | 5 | 5 | 12 | 24 | 40 | -16 | 20 |
| 22 | Cambridge UnitedCambridge | 22 | 4 | 5 | 13 | 21 | 39 | -18 | 17 |
| 23 | Shrewsbury TownShrewsbury | 22 | 4 | 4 | 14 | 23 | 42 | -19 | 16 |
| 24 | Burton Albion | 22 | 2 | 7 | 13 | 18 | 35 | -17 | 13 |
| > League One Full Table | |||||||||
