Preston North End did four pieces of incoming business before training started, bringing in Liam Lindsay, Sepp van den Berg, Izzy Brown and Matthew Olosunde.
The Lilywhites will be able to bring in Daniel Iversen on loan nearer to the start of the season, while they still want a striker - a position they are happy to play a long game with.
Here is a round-up of all the transfer talk from the Championship.
1. Talented Reading teenager set for the Premier League
Reading midfielder Michael Olise is poised for a move to Crystal Palace after triggering an £8m release clause. (Various) Photo: Press Association
2. Goalkeeper is QPR-bound
QPR are set to sign goalkeeper Jordan Archer who is a free agent after being released by Middlesbrough. (West London Sport) Photo: Press Association
3. Former Terriers man training with Derby
Former Huddersfield defender Richard Stearman is training with Derby. He's a free agent after the Terriers released him. (Derbyshire Live) Photo: Camerasport
4. Blades aim to keep hold of England keeper
Sheffield United boss Slavisa Jokanovic wants to keep hold of goalkeeper Aaron Ramsdale despite interest from Arsenal. (Sheffield United) Photo: Getty Images