The Black Cats are currently sixth in League One heading into after defeats to Charlton Athletic, Rotherham United and Sheffield Wednesday.
However, the Wearsiders did manage to win against Ipswich Town and draw against Shrewsbury Town, but performances have left a lot to be desired.
Sunderland are five points off the promotion places but have two games in hand on second-place Wycombe.
But how is the third tier predicted to look come the end of the season based on the results so far?
Here, we take a look at how the data experts say that the table will look at the end of the season:
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Sunderland are five points off the promotion places but have two games in hand on second-place Wycombe.
5. Gillingham - 20th
Gillingham are predicted to finish 20th in League One on 42 points by data experts FiveThirtyEight.
Photo: Jacques Feeney
6. Fleetwood Town - 19th
Fleetwood are predicted to finish 19th in League One on 46 points by data experts FiveThirtyEight.
Photo: Pete Norton
7. Burton Albion - 18th
Burton are predicted to finish 18th in League One on 54 points by data experts FiveThirtyEight.
Photo: Alex Davidson
8. Lincoln City - 17th
Lincoln are predicted to finish 17th in League One on 54 points by data experts FiveThirtyEight.
Photo: Laurence Griffiths