Jack Grealish has revealed he is secret pals with a huge music legend. The 29-year-old Manchester City footballer let drop that the most famous person in his phonebook is none other than Sir Elton John . The England player says the Tiny Dancer hitmaker, who is an honorary life president of his childhood club Watford FC, regularly rings him for 'catch ups'. In a quickfire interview with TNT Sports, Jack opened up on his unlikely friendship with the singer. He said: "The most famous person in my