The 20-year-old, who joined the Championship club from Darlington last summer, signed a new two-and-a-half year deal at the Riverside in January.
He has already appeared for the club this season, but according to Sky Sports News, he was close to leaving on loan.
Main suffered the knee injury in training.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Leeds UnitedLeeds | 37 | 23 | 10 | 4 | 74 | 23 | 51 | 79 |
| 2 | Sheffield UnitedSheff Utd | 37 | 24 | 7 | 6 | 52 | 28 | 24 | 77 |
| 3 | Burnley | 37 | 20 | 15 | 2 | 50 | 11 | 39 | 75 |
| 4 | Sunderland | 37 | 19 | 12 | 6 | 55 | 34 | 21 | 69 |
| 5 | West Bromwich AlbionWest Brom | 37 | 13 | 17 | 7 | 47 | 33 | 14 | 56 |
| 6 | Coventry CityCoventry | 37 | 16 | 8 | 13 | 52 | 48 | 4 | 56 |
| 7 | Bristol City | 37 | 13 | 15 | 9 | 47 | 40 | 7 | 54 |
| 8 | Middlesbrough | 37 | 15 | 8 | 14 | 57 | 48 | 9 | 53 |
| 9 | Blackburn RoversBlackburn | 37 | 15 | 7 | 15 | 41 | 38 | 3 | 52 |
| 10 | Watford | 37 | 15 | 7 | 15 | 47 | 50 | -3 | 52 |
| 11 | Sheffield WednesdaySheff Weds | 37 | 14 | 9 | 14 | 53 | 58 | -5 | 51 |
| 12 | Norwich CityNorwich | 37 | 12 | 13 | 12 | 59 | 52 | 7 | 49 |
| 13 | Millwall | 37 | 12 | 12 | 13 | 36 | 39 | -3 | 48 |
| 14 | Queens Park RangersQPR | 37 | 11 | 11 | 15 | 42 | 48 | -6 | 44 |
| 15 | Preston North EndPreston | 37 | 9 | 17 | 11 | 37 | 43 | -6 | 44 |
| 16 | Swansea CitySwansea | 37 | 12 | 8 | 17 | 38 | 47 | -9 | 44 |
| 17 | Portsmouth | 37 | 11 | 9 | 17 | 45 | 59 | -14 | 42 |
| 18 | Hull City | 37 | 10 | 10 | 17 | 38 | 46 | -8 | 40 |
| 19 | Stoke CityStoke | 37 | 9 | 12 | 16 | 37 | 50 | -13 | 39 |
| 20 | Oxford UnitedOxford Utd | 37 | 9 | 12 | 16 | 38 | 55 | -17 | 39 |
| 21 | Cardiff CityCardiff | 37 | 8 | 12 | 17 | 40 | 61 | -21 | 36 |
| 22 | Derby CountyDerby | 37 | 9 | 8 | 20 | 37 | 49 | -12 | 35 |
| 23 | Luton TownLuton | 37 | 9 | 7 | 21 | 34 | 60 | -26 | 34 |
| 24 | Plymouth ArgylePlymouth | 37 | 7 | 12 | 18 | 38 | 74 | -36 | 33 |
| > Championship Full Table | |||||||||
