Power Ranking The Most Expensive January Signings From The Last 12 Years – Will Any Deadline Day Move Eclipse Arsenal, Chelsea & Man United Transfers?

11) Jean-Alain Boumsong, Rangers to Newcastle United £8m (2005)

The French international managed 47 league games for the club in an 18 month spell before leaving for Juventus, who paid £3.3m to sign the player. A bright start to his career in England quickly faded and his departure came as no surprise.