Meanwhile, new Inter boss Luciano Spalletti has indicated that he will not stand in Perisic's way if he wants to join United this summer.
And Perisic has been one of Inter's few standout performers in another disappointing Serie A season, with the Croatian scoring 11 goals and registering eight assists in 36 league appearances.
His progress over the years have earned the player many admirers, and following his performances in 2016/17, he is now a highly sought-after player in the transfer market.
The exit of Zlatan Ibrahimovic summer, as well as the uncertainty surrounding Wayne Rooney and a number of other United players, means Mourinho is keen to add an option in the attacking third. He will take his first training session with the team on Monday 3 July. At 28, the Croatia worldwide will be able to provide his best years to Manchester United and is, hence, an ideal short-term solution for the Red Devils.
Before taking over as manager of Zenit St. Petersburg and winning two Russian Premier League titles, a Russian Cup and a Super Cup in four years. It was said that Inter boss Luciano Spalletti will not allow Perisic to leave unless the aforementioned valuation is satisfied.
Manchester United are expected to come up with a fresh offer for Perisic but it remains to be seen whether they are ready to match Inter's asking price for the winger.