Arsenal are reportedly interested in signing a Real Madrid star who recently impressed in the UEFA Champions League against Manchester City. The Gunners are preparing for a massive summer of spending with Mikel Arteta set to yet again oversee some wholesale changes in the Arsenal squad, with the likes of Eddie Nketiah, Reiss Nelson and Thomas Partey all linked with moves away from the Emirates Stadium. With a world-class centre-forward on the top of the transfer agenda as well as a midfielder, Arsenal fans will be hopeful that Arteta and sporting director Edu Gaspar can once again hit their tr…