10 Most Expensive Teenagers In Football History

7. Antonio Cassano - Bari To AS Roma

Chelsea's John Obi Mikel during a Press Conference at Stamford Bridge, London.
Tony Marshall/EMPICS Sport

Rating: £19.5 million

A controversial figure, the now 32-year-old has never quite lived up to his billing, which rocketed massively when Roma paid a huge amount to Bari. He actually did very well for the Romans, engineering himself a move to Real Madrid amidst rumours of a terrible attitude.

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Video & written Content Producer for WhatCulture Wrestling. NCTJ trained journalist. BA Hons, Sports Journalism.