Kalidou Koulibaly spoke to both Didier Drogba and Gianfranco Zola before moving to Chelsea, and the pair of Blues legends warned him of the threat posed in the Premier League.
The summer signing was going through perhaps his best spell of the season before feeling a tweak at the end of the Brentford draw, and the 31-year-old hasn't played since. His absence from the squad, on top of a longer-term injury to Wesley Fofana and Reece James' own injury, has meant that Graham Potter has turned to Marc Cucurella at left centre-back.
