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 | |
| P | Leicester CityLeicester | 44 | 30 | 4 | 10 | 86 | 39 | 47 | 94 |
| 2 | Leeds UnitedLeeds | 45 | 27 | 9 | 9 | 80 | 41 | 39 | 90 |
| 3 | Ipswich TownIpswich | 44 | 26 | 12 | 6 | 88 | 56 | 32 | 90 |
| 4 | Southampton | 45 | 25 | 9 | 11 | 85 | 62 | 23 | 84 |
| 5 | Norwich CityNorwich | 45 | 21 | 10 | 14 | 79 | 63 | 16 | 73 |
| 6 | West Bromwich AlbionWest Brom | 45 | 20 | 12 | 13 | 67 | 47 | 20 | 72 |
| 7 | Hull City | 45 | 19 | 13 | 13 | 68 | 59 | 9 | 70 |
| 8 | Middlesbrough | 45 | 19 | 9 | 17 | 68 | 61 | 7 | 66 |
| 9 | Coventry CityCoventry | 44 | 17 | 13 | 14 | 68 | 55 | 13 | 64 |
| 10 | Preston North EndPreston | 44 | 18 | 9 | 17 | 56 | 61 | -5 | 63 |
| 11 | Bristol City | 45 | 17 | 11 | 17 | 53 | 47 | 6 | 62 |
| 12 | Cardiff CityCardiff | 45 | 19 | 5 | 21 | 51 | 65 | -14 | 62 |
| 13 | Swansea CitySwansea | 45 | 15 | 12 | 18 | 59 | 64 | -5 | 57 |
| 14 | Watford | 45 | 13 | 17 | 15 | 60 | 58 | 2 | 56 |
| 15 | Sunderland | 45 | 16 | 8 | 21 | 52 | 52 | 0 | 56 |
| 16 | Millwall | 45 | 15 | 11 | 19 | 44 | 55 | -11 | 56 |
| 17 | Queens Park RangersQPR | 45 | 14 | 11 | 20 | 45 | 57 | -12 | 53 |
| 18 | Stoke CityStoke | 45 | 14 | 11 | 20 | 45 | 60 | -15 | 53 |
| 19 | Blackburn RoversBlackburn | 45 | 13 | 11 | 21 | 58 | 74 | -16 | 50 |
| 20 | Sheffield WednesdaySheff Weds | 45 | 14 | 8 | 23 | 42 | 68 | -26 | 50 |
| 21 | Plymouth ArgylePlymouth | 45 | 12 | 12 | 21 | 58 | 70 | -12 | 48 |
| 22 | Birmingham CityBirmingham | 45 | 12 | 11 | 22 | 49 | 65 | -16 | 47 |
| 23 | Huddersfield TownHuddersfield | 45 | 9 | 18 | 18 | 48 | 75 | -27 | 45 |
| R | Rotherham UnitedRotherham | 45 | 4 | 12 | 29 | 32 | 87 | -55 | 24 |
| > Championship Full Table | |||||||||
