Chelsea sacked Mutu for a positive test, then fought five years to claw the fee back

Chelsea signed Adrian Mutu from Parma in the summer of 2003 for about £15.8 million (€22.4 million), and he scored 10 goals in his first season. In September 2004 he tested positive for cocaine.

Chelsea terminated his contract on 29 October 2004, citing a zero-tolerance drugs policy. FIFA's dispute-resolution chamber awarded Chelsea compensation, Mutu appealed, and on 31 July 2009 the Court of Arbitration for Sport upheld the award: €17,173,990 — reported at the time as 'the highest ever handed down by Fifa'. The Swiss Federal Tribunal confirmed the ruling in 2010.

The bill was a transfer that never paid out: the club got the player, the wages and the goals, lost all three to one test, and then spent five years in the courts recovering most of the fee.

Chelsea terminated Mutu's contract, then spent five years in courts to claw back €17.2M in damages, recovering most of the lost fee.

A transfer fee buys a talent, not a person's choices: Chelsea paid £15.8 million for a forward and the asset was gone the day the sample came back positive.

The zero-tolerance sacking was also a legal strategy: by terminating, Chelsea preserved its right to claim damages from the player — and then spent five years collecting.

The compensation priced the registration, not the conduct: CAS valued the lost player, so the club's bill became a debt the player himself owed.

The fee is not the end of the bet. Chelsea won every appeal and spent five years clawing back what one test took — the player was gone, but the bill followed him through FIFA, CAS and Swiss courts.

Mutu continued his career at Fiorentina and other clubs. Chelsea pursued the €17,173,990 award through FIFA's dispute-resolution chamber, the Court of Arbitration for Sport — which upheld it on 31 July 2009 — and the Swiss Federal Tribunal, which confirmed it in 2010. The case became a benchmark for clubs claiming compensation from players whose contracts ended over a failed test.