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Chelsea have completed the signing of Hakim Ziyech from Ajax and are also close to completing the signing of Timo Werner from RB Leipzig.
The Blues have also been strongly linked with moves for Bayer Leverkusen attacking midfielder Kai Havertz and Leicester City left-back Ben Chilwell.
Former Liverpool player Steve Nicol is worried Chelsea boss Frank Lampard isn’t signing players to strengthen an important area in Chelsea’s squad – the central defence.
According to Nicol, Chelsea need to sign a centre-back this summer.
“It’s all great going forward, my worry is defensively,” he told ESPN FC. “Chelsea – what we’ve seen under Frank Lampard – are at their best going forward.
“Because of having such a young squad, and certainly a young strike force, when they’re not at it they’ve lost goals.
“It’s fantastic for the fans to see exciting players being signed.
“But at some point, Frank has to at some point start thinking about what he’s going to do defensively.
“Azpilicueta has still got some more miles in him. If they sign Chilwell, he’s a good defender. But they need a centre-back.”