Sunderland are currently the fourth favourites to sign Joey Barton, following his release by Ibrox side Glasgow Rangers.
BetVictor have Sunderland down as one of the favourites to sign Joey Barton in January.
Sunderland were huge outsiders in the race for Barton last month, but their odds have shortened to 8/1 recently.
Only Burnley, Aston Villa and Derby County are considered more likely destinations for Barton than Sunderland.
The experienced central midfielder is currently looking for a new club, following his release from Glasgow Rangers.

Barton had a miserable time at Ibrox, with a training ground argument with Andy Halliday ultimately proving costly.
Sunderland are believed to be shopping for free agents in January, and the bookies’ odds suggest that they feel Barton could be on David Moyes’ shortlist.

Sunderland chief executive Martin Bain has already confirmed that Moyes will not have much money to spend in January, meaning Barton could be one of the most talented players available to them.
The Black Cats are currently in 18th place in the Premier League table, and Moyes has already gone on record to state that he intends to strengthen in the upcoming transfer window.
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