Arsenal are confident they will announce Gabriel deal and Aubameyang new contract this week. Gabriel will need to spend 14 days in quarantine before he can start training with his new team-mates. : Gunners

” You’ll need to complete the Public Health passenger locator form before you travel back to the UK.

You’ll also need to provide written evidence from a United Kingdom or English national governing body for your sport confirming both your status as a domestic elite sportsperson or essential support staff who has travelled to a non exempt country or territory to compete, train or otherwise participate in an elite sports event, and that you will be continuing those activities on your return.

You will not need to self-isolate for 14 days, but you must observe the Stages One to Four elite sport guidance framework as published by the UK government.”

The Times are guessing, he does not need to self isolate.