Oscar's £52m move to Shanghai is worrying for Chelsea FC – and China

Paying silly prices, like Shanghai SIPG has for the Brazilian midfielder, is a sign of a bubble economy about to burst

Fine wines. Fast cars. Old masters. To the list of luxury goods that have been snapped up by China's new rich, add Premier League footballers after Shanghai SIPG struck a deal to buy Oscar, Chelsea's Brazilian midfielder.

A transfer fee of some 52m meant the west London club made a tidy profit on a player they bought for 19m four-and-a-half years ago, but has set alarm bells ringing in the Premier League.