If Aymeric Laporte wants to prepare for facing Mohamed Salah in a few weeks, the technology at his disposal means that he literally can face the Liverpool attacker without leaving his city-centre flat.
By popping on a virtual reality headset, the Manchester City defender can - as many times as he likes - put himself back into the game at Anfield earlier this season where Salah danced past him to score and practise how to stop it from happening at the Etihad.
Or he could train against a 110 per cent version of Salah, potentially making the real player easier to keep quiet by comparison.
These are just a few of the tools available to the Blues as part of the partnership they have with Rezzil, a Manchester company whose early investors included Vincent Kompany and whose list of clients at the top of world football are growing with every month.
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