Lee Johnson’s side failed to bounce back after last weekend’s loss against Charlton Athletic at the Stadium of Light.
The result disappointing result leaves the Black Cats’ automatic promotion hopes in tatters.
Indeed, Sunderland’s head coach admitted that Wigan Athletic deserved their victory as Sunderland's automatic promotion hopes suffered a major dent at the DW Stadium.
“Obviously, goals change games and it’s been another scenario where we haven’t defended a set-play," Johnson said.
"In the last ten games or so, there’s been too many of those. It’s disappointing because you can’t keep giving teams a leg-up, but I’ll be honest, I didn’t think we deserved it today."
But what are the data experts saying about the League One table and where are Sunderland predicted to finish following back-to-back losses?
Here, we take a look at the third-tier and every clubs predicted position and points totals:
. Wafc Safc Johnson 1.jpg
Sunderland head coach Lee Johnson Photo: FRANK REID 2020
. 24th - Swindon Town
Swindon Town will be relegated in last position with 42 projected points according to the data experts. Photo: Dan Mullan
. 23rd - Rochdale
Rochdale will be relegated in 23rd position with 43 projected points according to the data experts. Photo: Pete Norton
. 22nd - Bristol Rovers
Rovers will be relegated in 22nd position with 43 projected points according to the data experts. Photo: Pete Norton
. 21st - Northampton Town
Northampton Town will be relegated in 21st position with 44 projected points according to the data experts. Photo: Pete Norton
. 20th - Wigan Athletic
Predicted League One position: 20th... Predicted League One points total: 47 Photo: Lewis Storey
. 19th - AFC Wimbledon
Predicted League One position: 19th... Predicted League One points total: 49 Photo: Justin Setterfield
. 18th - Plymouth Argyle
Predicted League One position: 18th... Predicted League One points total: 57 Photo: Pete Norton
1. 24th - Swindon Town
Swindon Town will be relegated in last position with 42 projected points according to the data experts. Photo: Dan Mullan
2. 23rd - Rochdale
Rochdale will be relegated in 23rd position with 43 projected points according to the data experts. Photo: Pete Norton
3. 22nd - Bristol Rovers
Rovers will be relegated in 22nd position with 43 projected points according to the data experts. Photo: Pete Norton
4. 21st - Northampton Town
Northampton Town will be relegated in 21st position with 44 projected points according to the data experts. Photo: Pete Norton