Tottenham, Manchester City and Everton are also keeping tabs on the 18-year-old’s situation.
Dinamo Zagreb president Zdravko Mamic said: “Manchester United, Manchester City, Arsenal, Tottenham, Everton, Bayer Leverkusen, Sampdoria and many others are after Vrsaljko.
“Some clubs have already spoken to us, many others are calling us for meetings and to watch Vrsaljko in action live, and yes, some clubs are already here.”