The Premier League's star imports are demanding huge pay rises as clubs' TV revenues rocket, Chinese teams entice them with mega wages -- and the pound slumps ahead of Brexit.

The shirt worn by Geoff Hurst in the 1966 World Cup final could sell for £500,000 ($720,000, 635,000 euros) at an auction, 50 years on from English football's greatest triumph.

China raised the central rate for its yuan currency by the largest amount in a decade on Monday, officials and reports said.