Jurgen Klopp has threatened to ban his players from international duty if they face a period of quarantine upon their return.Liverpool have several key first-team players who represent countries on the UK government's 'red list' of nations.Anyone who travels to a 'red list' country must undergo a mandatory quarantine period of 10 days on arrival back in the UK.There is no exemption for professional sportsmen or women which means Premier League footballers are also affected.Brazil and Portugal are two of the countries on the UK's red list, meaning Klopp could be without Alisson, Roberto Firmino, Fabinho and Diogo Jota.
But the German boss has claimed he will not risk losing any of his key players if they are called up for international duty..
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