Favouring a centre-back pairing of David Luiz and Antonio Rudiger throughout the season, Maurizio Sarri didn’t have much time for Gary Cahill, who will leave on a free in the next month or so.

That leaves three first-team central defenders for next season (since César Azpilicueta has mostly played at right-back), meaning an extra body wouldn’t hurt.

According to Mercato365, Chelsea sent a scout to France over the weekend to keep an eye on Marseille’s Boubacar Kamara, a player they have been tracking for quite some time now.

The young centre-back and his teammates didn’t have the best of games, as they were pummelled 3-0 at home by Lyon, but it was a low point in a rather solid season for the 19-year-old.

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Starting 72% of his team’s games in Ligue 1, Kamara has been one of the few positives for Marseille fans to get behind in what has been a disappointing campaign following last year’s high of reaching the Europa League final.

However, it would likely take a lot to convince the French side to part ways with their starlet, and the same applies to convincing the player himself, as he knows he will get regular playing time at the Stade Vélodrome next season to continue his development.

The same cannot be said if he were to move to Stamford Bridge.