Replacing David Luiz at Chelsea in January must be Maurizio Sarri’s priority

Although he is a fan-favourite at Chelsea, David Luiz is obviously a defensive liability.

He’s been sporadic this season, with good displays often following some of his worst games.

And Chelsea’s recent run is a great example of this.

Luiz played excellently against Liverpool and Southampton before the international break, but was at fault for Manchester United’s second goal on Saturday.

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Despite Maurizio Sarri requiring a centre-back who is confident with the ball – and Luiz is obviously that – his defensive issues will come back to haunt the Italian.

That is why, however unpopular, Sarri should replace the Brazilian in January.

Rumours consistently link Chelsea with a move for Juventus’ Daniele Rugani or AC Milan’s Alessio Romagnoli.

There are even reports that Chelsea scouts were at Sunday’s Milan derby to watch Romagnoli.

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Even if Sarri decides not to spend a huge transfer fee to replace Luiz, Chelsea have good in-house alternatives.

Although clearly not Sarri’s cup of tea, Gary Cahill is an experienced Premier League defender.

And even Andreas Christensen could help tighten up the Blues’ defence.

But, I think Chelsea fans would prefer to see Sarri give one of their young centre-backs a chance.

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Both Jake Clarke-Salter and Fikayo Tomori have come through the academy but have spent most of their time out on loan.

However, with Chelsea’s defensive frailties, both of them could return and feature in their first-team.