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The Black Cats will be in the market for a host of new arrivals if they can gain promotion, so we’ve rounded-up 13 of the best Championship players set to see their contracts expire this summer.
Scroll down and click through the pages to see who could be on Sunderland’s radar this summer:
1. Chris Martin
The Derby County striker has been in some good form of late, and could add some experience and Championship nous to Sunderland's frontline. He was, of course, a target for the Black Cats under Chris Colemna. Photo: Nathan Stirk
2. Michael Jacobs
The creative midfielder, currently on the books of Wigan Athletic, could fit perfectly into Phil Parkinson's system as one of the two attacking midfielders behind the striker. Photo: Lewis Storey
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3. Marcus Maddison
It's highly unlikely that Sunderland fan Maddison - who is currently on loan with second tier side Hull City - will join the Black Cats this summer, but stranger things have happened... Photo: Alex Pantling
4. Sam Winnall
Rumoured to be a target for Sunderland in the winter transfer window, Winnall is out of contract at Hillsborough in the summer and could be allowed to move on. Photo: James Chance