Spalletti, however, would not be drawn on either United’s interest or the potential departure of forward Mauro Icardi, simply saying: “I'll avoid answering on Icardi and Perisic for now.
“There are strong players at Inter but they have to get into the team mechanism. It must be the team that works,” he added. “I want all the players who are able to donate something to their team-mates with their quality.”
Perisic is “hugely keen and excited” to play for Mourinho but United and Inter are yet to agree upon a suitable transfer fee, with the Serie A club hopeful of receiving £50m.
The capture of the 28-year-old Croatia international could be completed alongside Alvaro Morata’s arrival from Real Madrid.
Like in the case of Perisic, United are keen for the signing of Morata to be confirmed before the end of the month but are yet to come to an agreement on a transfer fee with the striker’s club.
Morata, who re-signed for Madrid last summer after a two-year spell at Juventus, is likely to cost as much as £78m.
The Spain international was handed his Madrid debut by Mourinho back in December 2010, appearing as a substitute for Angel di Maria during a 3-1 win at Real Zaragoza.
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