There is a reason Premier League clubs tend to avoid doing business during the January transfer window. As these ten deals prove, they can backfire horribly.
For every transfer completed during the winter window which proves successful, there are handfuls which work out badly for all parties.
The Spaniard, one of the most-feared strikers in England while a Liverpool player, was already on the decline and never recaptured his best from in London.
With that in mind and the transfer window now open for business, we've come up with a list of ten of the worst January deals of all time.