It brought to a close a busy summer for the Blues, with Adrian Segecic, John Swift, Mark Kosznovszjy, Luke Le Roux, Florian Bianchini, Minhyeok Yang, Josh Knight, Josef Bursik, Franco Umeh, Mackenzie Kirk and Conor Chaplin all securing moves to PO4.
John Mousinho now has a new-look squad to choose from, having assembled his side for the Championship campaign.
With the transfer window now closed, we’ve taken a look what the Pompey’s strongest starting XI and bench could look like when every player is fit.
Do you believe this is the Blues’ best possible side?
Your next Pompey read: Portsmouth boss makes Josef Bursik admission as former Stoke and Hibs keeper signs two-year deal at Fratton Park

1. Pompey's strongest XI and bench after transfer window
From left: Josh Knight, Conor Chaplin, Adrian Segecic, Andre Dozzell. | National World.
2. GK: Nicolas Schmid
Pompey now have four goalkeepers to choose from after Bursik’s deadline day arrival. Schmid remains first-choice after an impressive start to the season. | Graham Hunt/ProSportsImages
3. RB: Zak Swanson
Although Jordan Williams started the campaign as first-choice right-back, Swanson has worked his way into the starting XI. He's warranted his place in the side after impressive outings against West Brom and Preston. | Graham Hunt/ProSportsImages
4. CB: Regan Poole
Poole is ready for the challenge at centre-half following the arrival of Josh Knight. Has started all four of Pompey’s Championship fixtures this term and has been influential at the heart of the backline. | Graham Hunt/ProSportsImages