Rafael Benitez warns Kalidou Koulibaly ‘guilty’ of three key flaws as Chelsea get insider information

Former Napoli boss Rafael Benitez has pointed out some of the flaws Kalidou Koulibaly is “guilty” of following his Chelsea transfer.

The Blues made it a key summer transfer window mission to bolster their defence. While boss Thomas Tuchel had a wealth of options last season, Antonio Rudiger and Andreas Christensen have both departed.

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The Koulibaly deal comes after Chelsea explored many other avenues. They resumed long-term interest in Sevilla’s Jules Kounde earlier this summer and he could yet move to Stamford Bridge.

However, Manchester City rejected Chelsea‘s approaches for Nathan Ake and Aymeric Laporte.

Tuchel’s side have subsequently gone for Koulibaly, the 31-year-old Senegal international star who has long had links with a move to the Premier League.

Speaking about the player he used to work with, ex-Napoli chief Benitez ran the rule over the centre-back.

“He must improve his concentration at times,” Benitez told The Athletic.

“He can be guilty of losing focus and can be overconfident, but he has been hugely influential at Napoli and