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The Black Cats are searching for as many as five new arrivals during the winter trading period, with Parkinson set to make his mark on the squad after some disappointing resuls of late.
But who could be arriving at the Stadium of Light? Scroll down and click through the pages to see who has been linked with Sunderland:
17. Bailey Wright (Bristol City)
The Australian international is available on a loan deal this month, with his contract at Bristol City up in the summer. Sunderland, Luton Town and a host of other sides were believed to be keen - but it was the Black Cats who secured his signature. | Getty Images Photo: Buda Mendes
18. Kyle Lafferty (Free Agent)
Sunderland have now clinched a deal for Lafferty, who has signed until the end of the current campaign. | Getty Images Photo: Ian MacNicol
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19. Gary Madine (Free Agent)
Madine is highly-regarded by Parkinson, with the pair having worked together at Bolton Wanderers, and he was believed to be one of a number of attacking options under consideration. He has recently penned an 18-month deal with Blackpool. | Getty Images Photo: Stu Forster
20. Billy Sharp (Sheffield United)
Sunderland are monitoring Sharp's situation at Sheffield United but, with a host of Championship sides interested, a move looks highly unlikely. | Getty Images Photo: Alex Livesey