Although the fans always sing the '12 Cantonas' song around this time of year, the Frenchman made his famous switch from Leeds United in November and a number of deals were done closer to Christmas Day.
It is also worth pointing out that, although announcement of a fee being agreed with Spartak Moscow came on 25 December, Nemanja Vidic did not seal his transfer until the early part of 2006.
Furthermore, Mark Higgins signed for the club after a trial spell as a non-contract player in December 1985, but the exact date of the registration has been difficult to confirm.