straight to your inboxManchester United are monitoring Real Madrid defender Sergio Reguilon this summer, according to reports.Reguilon, 23, spent the 2019/20 season on loan at Sevilla, helping the La Liga side win the Europa League after knocking out United in the semi-final.His stock has soared as a result of his impressive performances and Madrid are set to cash in on the former Spain U21 international as Zinedine Zidane already has Ferland Mendy and Marcelo in his ranks on the left side of