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.
17. Peterborough United
In: Bali Mumba (Norwich, loan); Steven Benda (Swansea City, loan); Callum Morton (West Brom, loan); Jeando Fuchs (Dundee United, undisc); Reece Brown (Huddersfield, free); Hayden Coulson (Middlesbrough, loan). Out: Joe Tomlinson (Swindon, loan); Siriki Dembele (Bournemouth).
18. Preston North End
In: Cameron Archer (Aston Villa, loan); Bambo Diaby (free). Out: Connor Wickham (released); Jordan Storey (Sheffield Wednesday, loan); Josh Harrop (Fleetwood, loan).
19. QPR
In: David Marshall (Derby County, perm); Dion Sanderson (Wolves, loan); Jeff Hendrick (Newcastle, loan). Out: Conor Masterson (Gillingham, loan).
20. Reading
In: Karl Hein (Arsenal, loan); Tom Ince (Stoke, loan). Out: George Puscas (Pisa, loan); Liam Moore (Stoke, loan).