We are more than a week into 2014's opening month of transfer negotiations, although the January window's opening salvo has been a rather damp squib in terms of European giants flexing their considerable transfer muscles.

With our annual dose of silly season so far failing to be anything but unspectacular what better time to look at the most astute pieces of transfer business in the history of the game, deals that even Harry Redknapp might be forced to find a new adjective for.

Here GMS counts down the clubs who have managed to secure a mind-boggling return on a player bought for a mere fraction of their sell-on fee, with some surprising results.

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