Kalidou Koulibaly (born 20 June 1991) is a professional footballer who plays as a centre-back for Premier League club Chelsea and the Senegal national team. Koulibaly began his professional club career with French team Metz in 2010, before moving to Belgian club Genk in 2012, winning the Belgian Cup in his first season. He joined Italian team Napoli in 2014, where he won the Supercoppa Italiana title; he also won the Coppa Italia in 2020. (Source: Wikipedia.org, CC BY-SA)