The Teessiders have lost just two games all season and have the best defensive record in the division, so could they mount a serious promotion challenge?
Here are the latest Championship promotion odds from bookmakers SkyBet after 13 league games:
5. Sheffield Wednesday - 80/1
League position: 23rd - 7 points Photo: David Rogers
6. Luton - 80/1
League position: 11th - 19 points Photo: Julian Finney
7. QPR - 50/1
League position: 13th - 17 points Photo: Lewis Storey
8. Huddersfield - 50/1
League position: 16th - 15 points Photo: George Wood