Last week the Owls confirmed 10 players would be leaving at the end of their contracts, while the club has activated one-year extensions to retain Ciaran Brennan, Alex Hunt and Sam Hutchinson.
Osaze Urhoghide has also been offered a new deal and the club has been linked with giant non-league striker Kyle Hudlin as well as Doncaster defender Reece James.
Here are today's biggest transfer stories from League One as clubs begin doing business ahead of the new season.
Here are today's biggest transfer stories from League One as clubs begin doing business ahead of the new season.
5. Duo depart Oxford
Rob Hall and Dylan Asonganyi will leave Oxford this summer, but Anthony Forde and John Mousinho, the new PFA chair, have been offered new deals, as has Josh Ruffels.
Photo: Richard Heathcote
6. Millwall sign ex-Blade and Hull City promotion-winner
Millwall have announced the signing of goalkeeper George Long on a free transfer from Hull.
Photo: David Rogers
7. League One trio battle for midfielder's signature
Wigan Athletic, AFC Wimbledon and Doncaster Rovers are among the clubs battling to sign Jem Karacan, who recently turned down a new contract at Scunthorpe United. Source: BerkshireLive.
Photo: David Rogers