It was always going to be a window packed with deals, and League One clubs have taken the opportunity to freshen up their squads ahead of what promises to be a season like no other.
So what deals have already been done in the third tier?
Scroll down and click through the pages as we look at EVERY signing made in League One this summer:
Scroll down and click through the pages as we look at EVERY signing made in League One this summer:
5. Burton Albion
Ins: Sam Hughes (Leicester City, loan), Jack Roles (Tottenham, loan), Owen Gallacher (unattached, free), Kieran O'Hara (Manchester United, free), Luke Varney (Cheltenham Town, free), Kane Hemmings (Dundee), Michael Bostwick (Lincoln City, free), Neil Eardley (Lincoln City, free), Steven Lawless (Livingston, free), Charles Vernam (Grimsby Town, free). Photo: Jan Kruger
6. Charlton Athletic
Ins: Omar Bogle (unattached), Chris Gunter (Reading, free), Marcus Maddison (unattached), Akin Famewo (Norwich City, loan), Ben Watson (Nottingham Forest, free), Dylan Levitt (Manchester United, loan), Conor Washington (Hearts), Alex Gilbey (MK Dons), Ryan Inniss (Crystal Palace), Ian Maatsen (Chelsea, loan) Photo: James Chance
8. Doncaster Rovers
Ins: Andy Butler (Scunthorpe United, free), Rayhaan Tulloch (West Brom, loan), Tyreece John-Jules (Arsenal, loan), Cameron John (Wolves), Ed Williams (Kidderminster, free), Taylor Richards (Brighton & HA, loan), Josef Bursik (Stoke City, loan), Jason Lokilo (Crystal Palace, free). Photo: James Chance