Middlesbrough and their Championship rivals have until October 16 to complete domestic transfers, with the Teessiders still looking to make a few more additions before the deadline.
Other second-tier clubs are also set to complete their business over the next week – scroll down and flick through our galley to see every signing made by Championship clubs so far this window:
5. Brentford
IN: Charlie Goode (Northampton Town), Ivan Toney (Peterborough), Saman Ghoddos (loan, Amiens), Vitaly Janelt (Bochum) | OUT: Justin Shaibu, Dru Yearwood, Jaakko Oksanen (loan), Luka Racic (loan), Julian Jeanvier (loan), Ollie Watkins, Arthur Read (loan), Joel Valencia (loan), Jan Zamburek (loan), Halil Dervisoglu (loan) Photo: Catherine Ivill
6. Bristol City
IN: Joe Williams (Wigan), Chris Martin (Derby County), Alfie Mawson (loan, Fulham), Chris Brunt (West Brom), Steven Sessegnon (loan, Fulham) | OUT: Matty Taylor, Bailey Wright, Robbie Cundy (loan), George Nurse (loan), Rory Holden, Marley Watkins (loan) Saikou Janneh (loan), Jonny Smith (loan), Cameron Pring (loan), Owura Edwards (loan), Sammie Szmodics, Bradley Webb (loan), Hakeeb Adelakun (loan), James Morton (loan) Niclas Eliasson Photo: Jan Kruger
7. Cardiff
IN: Kieffer Moore (Wigan), Jordi Osei-Tutu (loan, Arsenal), Sheyi Ojo (loan, Liverpool) | OUT: Omar Bogle, Matthew Connolly, Jazz Richards, Ciaron Brown (loan), Danny Ward, Cameron Coxe, Nathaniel Mendez-Laing, Neil Etheridge, Tom Sang (loan), Callum Paterson Photo: Alex Livesey
8. Coventry
IN: Gustavo Hamer (PEC Zwolle), Julien Da Costa (Chamois Niort), Callum O'Hare (Aston Villa), Marcel Hilssner (SC Paderborn), Ryan Giles (loan, Wolves), Leo Ostigard (loan, Brighton), Tyler Walker (Nottingham Forest), Ben Sheaf (loan, Arsenal), Sam McCallum (loan, Norwich) | OUT: Callum Maycock, Dexter Walters, Zain Westbrooke, Junior Brown, Jak Hickman, Charlie Wakefield, Jordy Hiwula, Bouwe Bosma, Reise Allassani, Josh Eccles (loan), Declan Drysdale (loan), Brandon Mason (loan) Photo: Harry Trump