Sunderland AFC transfer news RECAP: Peterborough winger ruled out as Cats push for summer breakthrough

Sunderland boss Jack Ross.Sunderland boss Jack Ross.
Sunderland boss Jack Ross.
Sunderland are still yet to complete their first signing of the summer transfer window, with just over a month to go until the start of the new League One season.

We’ll bring you the latest Black Cats news regarding transfers and takeovers. Scroll down and refresh for live updates: