Pompey will face stern competition in the race for promotion, with a number of their third tier rivals having already completed some eye-catching deals – which could prompt some worry. Scroll down and click through the pages to see EVERY deal completed in League One this summer so far:
9. Doncaster Rovers
In: Brad Halliday (Cambridge), Reece James (Sunderland)
Out: Marko Marosi (Coventry), Andy Butler (Scunthorpe), Danny Andrew (Fleetwood Town), Tommy Rowe (Bristol City) Photo: Ross Kinnaird
10. Fleetwood Town
In: Josh Morris (Scunthorpe United), Danny Andrew (Doncaster Rovers), Paul Coutts (Sheffield United), Jordan Rossiter (Rangers - loan), Lewie Coyle (Leeds United - loan)
Out: Ashley Nadesan (Crawley Town) Photo: PAUL ELLIS
11. Gillingham
In: Connor Ogilvie (Tottenham), Jack Bonham (Brentford), Matty Willock (Manchester United), Stuart O’Keefe (Cardiff City), Alfie Jones (Southampton - loan), Nathan Thomas (Sheffield United - loan), Mikael Ndjoli (Bournemouth - loan), Ousseynou Cisse (MK Dons)
Out: Tomas Holy (Ipswich Town), Luke O’Neill (AFC Wimbledon) Photo: Alex Broadway
12. Ipswich Town
In: James Norwood (Tranmere Rovers) , Tomas Holy (Gillingham)
Out: None Photo: Stephen Pond