Sean Raggett remains the only Blues recruit this summer, although Kenny Jackett wants at least three more through the door before the transfer window closes on October 16.
However, Pompey’s rivals have been adding to their respective squads in the past week.
Here’s a look at all of the deals...
1. Matt Butcher: Bournemouth - Accrington
The Portsmouth-born defender and ex-Gosport loanee will spend the season on loan at Accrington. Photo: Michael Steele
2. Mo Sangare: Newcastle - Accrington
The midfielder has joined Accy on a season-long loan. Photo: Dave Howarth
3. Ryan Longman: Brighton - AFC Wimbledon
The 19-year-old midfielder has completed a season-long loan to the Wombles. Photo: Steve Bardens
4. MJ Williams: Rochdale - Blackpool
The former Liverpool man links up with his old coach Neil Critchley at Bloomfield Road. Williams joined on a free transfer and signed a one-year deal. He's capable of playing centre-back or in midfield. Photo: Pete Norton