Many players will see their current deals expire at the end of June which could be problematic if the 2019/20 campaign runs deep into the summer months. Scroll down and flick through our picture gallery to see the full list of players who are nearing the end of their contracts:
17. Preston North End
Declan Rudd (above), David Nugent, Tom Clarke, Billy Bodin, Paul Gallagher, Mathew Hudson, Jack Baxter, Michael Crowe Photo: Lewis Storey
18. QPR
Ryan Manning (above), Bright Osayi Samuel, Grant Hall,Marc Pugh, Geoff Cameron, Angel Rangel, Olamide Shodipo, Charlie Owens Photo: James Chance
19. Reading
Chris Gunter (above), Tyler Blackett, Jordan Obita, Charlie Adam, Danny Loader, Garath McCleary, Vito Mannone, Adrian Popa Photo: Michael Steele
20. Sheffield Wednesday
Sam Hutchinson (above), Jordan Rhodes, Steven Fletcher, Morgan Fox, Fernando Forestieri Photo: Nigel Roddis