Jonathan Clauss was frustrated by his failed transfer to Leverkusen this summer. Franck Haise stated that the club's directors are in discussions with Clauss's agent to find a solution that is suitable for everyone. Haise added that discussions do not always result in a successful outcome.

According to L'Equipe, a departure for Jonathan Clauss this winter is in consideration. The publication claims the situation is tense enough that a winter departure is possible. Clauss' entourage denies that he is unable to play due to transfer-related reasons and states that he is unable to play. The president of Nice, Fabrice Bocquet, has made attempts to reconcile.

L'Équipe reports that relations have become tense between Jonathan Clauss and Nice. This follows a transfer to Bayer Leverkusen that did not go through at the end of August, as Nice did not wish to sell him at that time.

Tuttomercato reports on the transfer negotiations for Jonathan Clauss, stating that Bayer Leverkusen courted the player for a long time. According to French media, Nice's initial asking price was 20 million euros, which was then lowered to 16 million euros plus 4 million in bonuses, and finally the club was willing to accept an offer of 15 million euros. Bayer Leverkusen made several offers that were all rejected by Nice: 4 million euros plus 2 million in bonuses, 6.5 million euros plus 2 million in bonuses, and finally 8 million euros plus 4 million in bonuses. Bayer Leverkusen then decided to sign Lucas Vazquez instead.