It started with the return of Barca’s long-lost son Adama Traore. It continued with the signing of Pierre-Emerick Aubameyang, and, as things stand, it’s far from over in terms of recruiting African players at the Camp Nou.According to Radio Catalunya, Xavi Hernandez is eager to reinforce his backline with Napoli and Senegal centre-back Kalidou Koulibaly, 30. Napoli coach Spalleti praises Koulibaly for his remarkable personality ahead of the Inter tie that could decide the championsThe promising coach is obviously impressed with the Lions of Teranga’s captain, as he was able to have a closer look at him in the Europa League two-leg tie between Barcelona and Napoli. Despite Barca’s mesmerizing display, especially in the return leg at the Estadio Diego Maradona, Koulibaly has attracted Xavi’s attention and will be the Blaugrana’s top target in the upcoming transfer window.EUROPA LEAGUE: Barca’s first half hammering of Napoli, Rangers eliminate clumsy DortmundAlthough the Catalan giants already have the likes of Araujo, Pique, Eric Garcia, Umtiti, Lenglet and Mingueza in their defensive line, the last three are close to the exit, which would make some space for new signings. Bayern close to signing Koulibaly?As per Spanish media, Barca want to strengthen the defence area and take advantage of the fact that Koulibaly’s contract ends in a year and a half. That could give them options to get him at a reasonable price or through some kind of trade.LEVANTE – ELCHE