Pompey brought the curtain up on their third-tier campaign with a goalless draw against Shrewsbury on Saturday.
Kenny Jackett made one signing in the week before the game, with Callum Johnson arriving from Accrington for a fee of around £200,000 with add-ons.
But the Blues’ rivals also strengthened before the league season started – and will continue to do so before the transfer window shuts on October 16.
Here are all the deals that took place in the past seven days...
5. Alex Fojticek: Man Utd - Blackpool
The young keeper has signed a one-year deal at the Seasiders. Photo: Richard Sellers
6. David Tutonda Barnet - Bristol Rovers
The defender has moved to the Gas following a successful trial period. Photo: Catherine Ivill
7. Donervon Daniels: Luton Town - Crewe
The defender has joined newly-promoted Alexandra after his release from Kenilworth Road. Photo: Dan Mullan
8. Cameron John: Wolves - Doncaster
The left-footed centre-back returns to Donny on a permanent basis after an impressive loan spell last season. He signed a two-year deal at the Keepmoat, joining for an undisclosed fee. Photo: Marie Caley