You won't see Joel Matip on the priority list for a Covid vaccine but it is quite clear that he is vulnerable. The affable, slightly awkward centre-back has been a very good player for Liverpool since his free transfer move from Schalke in the summer of 2016, but nowhere in Jurgen Klopp's grand plan for his 2020/21 title defence - or "attack" as he called it - would there have been the idea of a reliance upon the 29-year-old who played nine Premier League games last season.
But when Matip went off at half-time with Liverpool 1-0 up at Tottenham on Thursday, heads fell off. Those heads were already fairly wobbly with the pre-match news that Fabinho wasn't at the Tottenham Hotspur Stadium at all.
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