With January now underway, Championship clubs have until the 31st to make new signings and bolster their squads for the second half of the season.
To find out just who is doing the business in the second tier then check out the gallery below, which will be updated on a regular basis throughout the month.
9. Derby County
In: None. Out: David Marshall (QPR, perm); Graeme Shinnie (Wigan, undisc); Jordan Brown (Leyton Orient, free); Luke Plange (Crystal Palace, undisc, returns on loan); Isaac Hutchinson (Crawley, loan).
10. Fulham
In: Neco Williams (Liverpool, loan). Out: Marlon Fossey (Bolton, loan); Terry Ablade (AFC Wimbledon, loan); Cyrus Christie (Swansea, loan); Damian Las (Austin, undisc); Sylvester Jasper (Hibernian, loan); Denis Odoi (Club Bruges); Jean-Pierre Tiehi (Rodez, loan); Steven Sessegnon (Plymouth, loan).
11. Huddersfield Town
In: Jamal Blackman (free); Tino Anjorin (Chelsea, loan); Carel Eiting [KRC Genk, free). Out: Josh Austerfield (Harrogate, loan); Brahima Diarra (Harrogate, loan); Kian Harratt (Port Vale, loan); Romoney Crichlow (Plymouth, loan); Matthew Daly (Bradford, loan); Ben Jackson (Doncaster, loan); Nicholas Bilokapic (Hartlepool, loan); Reece Brown (Peterborough, free); Kieran Phillips (Exeter, loan).
12. Hull City
In: Regan Slater (Sheff Utd, undisc); Liam Walsh (Swansea, loan); Marcus Forss (Hull, loan); Ryan Longman (Brighton); Allahyar Sayyadmanesh (Fenerbahce, loan). Out: Josh Magennis (Wigan, undisc).