The January transfer window can be a time for an inspired bargain buy or an overpriced flop as clubs look for the players to get them over the line in the second half of the season.
But where have Leeds United been shopping for players most over the last 10 years? Here are the 16 clubs who have loaned and sold the most players to the Whites - according to TransferMarkt.
Leeds signed the controversial El-Hadji Diouf from Rovers alongside youngsters Billy Whitehouse and Paul McKay. The Rams have provided Leeds with three new faces and two Paul's - Paul Connolly, Paul Green and Liam Dickinson Paddy Kenny, Rob Green and Hogan Ephraim have all joined from Queens Park Rangers Luke Ayling is the latest to join from Bristol City, with Lee Trundle and Enoch Showumi moving to Elland Road in 2009 and 2008, respectively. Two of Leeds' newest signing in Patrick Bamford amd Adam Forshaw have joined from Boro, not forgetting Mustapha Carayol, too. Leeds enjoyed three dealings with the Serie C club with Giuseppe Bellusci, Souleymane Doukara and Edgar Cani making the switch from Italy. Two loans include Alex McCarthy and Sam Sodje while Noel Hunt and Stuart Taylor arrived on permanent deals. All loan deals between 2010 and 2012 which saw Andros Townsend, Jake Livermore, Adam Smith and Ben Alnwick arrive through the door. The noticeable arrival was Ross McCormack. Tom Adeyemi, Tony Capaldi and Charlie Horton also had spells at Leeds. George McCarthy, Will Buckley and Connor Whickham all had loan spells at Elland Road while Liam Bridcutt was the only one to earn a permanent stay. Stretching back to Sam Vokes' loan in 2009, Andy Keogh, Andy Lonergan and Barry Douglas had since joined the club. After leaving Leeds for Villa in 2009, Fabian Delph was briefly loaned back to the Whites. Shane Lowry, Eric Lichaj, Stephen Warnock and Barry Bannan are the other names. Michael Brown's arrival sparked another four dealings between the two clubs in a space of a year. Luke Varney, Jason Pearce, David Norris and Jamie Ashdown moved to Elland Road. Stoke City provided Leeds with Danny Pugh, Jack Butland, Carl Dickinson, Amdy Faye and Michael Tonge, Three loans deal brought Modou Barrow, Matt Grimes and Kyle Bartley to the club while Fede Bessone and Andy Robinson joined on free transfers. Alan Tate arrived on loan. Beginning with Alan Sheehan in 2008, Patrick Kisnorbo, Max Gradel, Paul Dickov, Lee Peltier and Chris Wood all followed.