The curious case of Costa - how Diego will be remembered if he leaves Chelsea

There have been few players who divide opinion quite as much as Diego Costa and his legacy at Chelsea, if he leaves after Saturday's FA Cup final against Arsenal, will be a complicated one.

Talk of an impending £60million move to Tianjin Quanjian has rumbled on since January, but it could be scuppered after the Chinese Football Association announced the implementation of a scheme that amounts to a 100 per cent tax on loss-making clubs; the aim being to limit the soaring transfer fees for foreign players and aid youth development.

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