Incomings and outgoings have been aplenty in recent weeks, with third-tier sides taking an opportunity to reshape their squads following the curtailment of the 2019/20 campaign.
Scroll down and click through the pages as we take a look at every signing made by League One clubs so far this summer – with some eye-catching deals agreed:
21. Shrewsbury Town
In: Josh Daniels (Glenavon), Scott High (Huddersfield - loan), Rekeil Pyke (Huddersfield) Out: Josh Laurent (Reading), Romain Vincelot, Joe Murphy, Lifumpa Mwandwe, Kian Taylor Photo: Gareth Copley
22. Sunderland
In: Bailey Wright (Bristol City), Aiden O’Brien (Millwall) | Out: Bali Mumba (Norwich City), Tommy Smith, Kyle Lafferty, Ethan Robson, Joel Lynch, Duncan Watmore, Alim Ozturk, Jack Baldwin Photo: Clive Brunskill
23. Swindon Town
In: Diallan Jaiyesimi (Norwich City) | Out: Keshi Anderson (Blackpool), Luke McCormick (Plymouth Argyle) | Jacob Bancroft, Joe Romanski, Will Henry, Ralph Graham Photo: Michael Steele
24. Wigan Athletic
In: None | Out: Jensen Weir (Brighton), Daniel Gyollai (Peterborough United), Leon Balogun (Rangers), Callum Lang (Motherwell - loan) Photo: Nathan Stirk