Key figures including Sean Raggett, Marlon Pack and Tom Lowery are all signed on for next season, while Joe Morrell and Colby Bishop are the Blues’ most prized assets going into the window.
Connor Ogilvie, Josh Oluwayemi and Harry Jewitt-White all had options triggered by the club at the end of the campaign, while Ronan Curtis and Jay Mingi remain in negotiations.
At least 9-10 new faces have been pencilled in to arrive through the doors at Fratton Park in the window in John Mousinho’s maiden summer in charge.
But how much work do Pompey need to do compared to their rivals?
We’ve taken a look at the current squad sizes of each League One club to discover how many players they have under contract following the release of their retained lists.
NOTE: Carlisle and Barnsley are yet to publish their retained list due to involvement in the play-off final.
At least 9-10 new faces have been pencilled in to arrive through the doors at Fratton Park in the window in John Mousinho’s maiden summer in charge.
9. Exeter
Current squad size: 14; Players under contract: Jake Caprice, Alex Hartridge, Demetri Mitchell, Sam Nombe, Will Aimson, Harry Kite, Kyle Taylor, Sonny Cox, Josh Coley, Harry Lee, James Scott, Pierce Sweeney, Gary Woods, Cheick Diabate. Photo: Michael Regan
10. Reading
Current squad size: 14; Players under contract: Nesta Guinness-Walker, Amadou Mbengue, George Puscas, Andy Carroll, Ovie Ejaria, Femi Azeez, Tom Ince, Dean Bouzanis, Jokull Andresson, Andy Yiadom, Tom Holmes, Sam Hutchinson, Tom McIntyre, Naby Sarr. Photo: Clive Mason
11. Bolton
Current squad size: 15; Players under contract: Aaron Morley, George Thomason, Victor Adeboyejo, Ricardo Almeida Santos, Dion Charles, Kyle Dempsey, Jack Iredale, Declan John, George Johnston, Gethin Jones, Cameron Jerome, Kieran Sadlier, Eoin Toal, MJ Williams, Randell Williams. Photo: Michael Steele
12. Derby
Current squad size: 15; Players under contract: Joe Wildsmith, Craig Forsyth, Conor Hourihane, Eiran Cashin, Tom Barkhuizen, Max Bird, James Collins, Nathaniel Mendez-Laing, Korey Smith, Liam Thompson, Louie Sibley, Kwaku Oduroh, Jake Rooney, Jason Knight, Krystian Bielik. Photo: Gareth Copley