The Black Cats secured promotion against Wycombe Wanderers at Wembley Stadium in the League One play-off final.
Goals from Elliot Embleton and Ross Stewart were enough to hand Alex Neil’s side a memorable win in London.
That’s after Sunderland defeated Sheffield Wednesday in their semi-final, while Wycombe overcame MK Dons.
But what predictions did ‘data experts’ FiveThirtyEight make at the beginning of the season and how do they compare to the final League One table?
That’s after Sunderland defeated Sheffield Wednesday in their semi-final, while Wycombe overcame MK Dons.
5. 5th - Burton Albion - Play-offs
Burton Albion were predicted to finish fifth in League One on 71 points according to the data experts. Burton finished 16th at the end of the season with 53 points Photo: Michael Regan
6. 6th - Lincoln City - Play-offs
Lincoln City were predicted to finish sixth in League One on 70 points according to the data experts. The Imps finished 17th at the end of the season with 52 points Photo: Stu Forster
7. 7th - Rotherham United
Rotherham United were predicted to finish seventh in League One on 69 points according to the data experts. The Millers finished second at the end of the season with 90 points and were promoted. Photo: Justin Setterfield
8. 8th - Wycombe Wanderers
Wycombe Wanderers were predicted to finish eighth in League One on 69 points according to the data experts. Wycombe finished sixth at the end of the season with 83 points but lost the play-off final to Sunderland. Photo: Marc Atkins