With it closing in early August, clubs are required to be better prepared. Sheffield Wednesday have had a difficult summer with the whole Steve Bruce farrago. There is time still to do some business before the window closes at 5pm on Thursday. But what position do they need to prioritise? Click and scroll through to find out and see what their league rivals also require.
13. Nottingham Forest
Having lost their opener, defensive reinforcements, particularly at right-back, are needed and Calum Chambers has been linked with a move. Photo: Catherine Ivill
14. Preston North End
If any business is done, it could be a new left-back to provide cover after Josh Earl was allowed to join Bolton on loan. Photo: Alex Livesey
15. QPR
Boss Mark Warburton, fresh from a shock win over Stoke Cty, wants one more signing to complete his squad overhaul. Aberdeen defender Scott McKenna is a target. Photo: Ian MacNicol
16. Reading
Fresh off the back of signing Lucas Joao the Royals are set to add another striker in the wonderfully-named George Puscas from Inter Milan. Photo: Alex Burstow