Sassuolo are in negotiations for Chelsea midfielder Jeremie Boga, trying to add the player on a permanent deal. Agreement between the clubs has been reached, while Sassuolo are now trying to agree to contract terms with the player. Sassuolo are also trying to add Konyaspor midfielder Mehdi Bourabia. A â¬3 million transfer fee is being negotiated between the clubs. Sassuolo are looking to make a dual purchase for their midfield, negotiating for Boga and Bourabia.