Chelsea’s unbeaten start to the season has possibly papered over some of their weaknesses.

David Luiz’s frailties have been clear to see – his mistake against Manchester United being a good example of this.

But because of the lack of ball-playing centre-backs at Chelsea, Maurizio Sarri has been unwilling to rotate in the league.

Gary Cahill and Andreas Christensen clearly aren’t in Sarri’s future plans and only feature in cup competitions.

FC Internazionale v FC Barcelona - UEFA Champions League Group B

(Photo by Claudio Villa – Inter/Inter via Getty Images)

But if Chelsea are to keep improving under Sarri, they must improve defensively, and that means replacing Luiz.

And that’s why signing Inter Milan’s Milan Skriniar in January should be a priority for Chelsea.

The Blues have previously been linked with the Slovakian defender, with reports suggesting they’ll have to compete with Manchester United for his signature.

The suggested fee is £70m which seems to be a lot, but compared to Liverpool signing Virgil van Dijk for £75m, it’s not that outrageous.

And since arriving at Inter Milan, Skriniar has blossomed into one of Serie A’s best defenders.

Atalanta BC v FC Internazionale - Serie A

 (Photo by Emilio Andreoli/Getty Images)

Partnered with Miranda last season, they formed a strong partnership which helped Inter Milan get back into the Champions League.

But after signing Stefan de Vrij in the summer, Skriniar’s had to play right-back on occasions which isn’t his natural position.

Therefore, Chelsea should swoop in for the Slovakian and make him Antonio Rudiger’s long-term centre-back partner.

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