The Black Cats are firmly in the race for automatic promotion from League One, yet the squad does appear a little light in some areas.
There are also plans for some of the squad's younger players to leave on loan, with other outgoings also possible.
Sunderland’s rivals will also be looking to strengthen in the final days of the transfer window.
Here are the deals which have been completed so far in League One:
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Sunderland’s rivals will also be looking to strengthen in the final days of the transfer window.
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