Everton are stepping up their search for Ronald Koeman's successor and it would now appear that Hornets boss Silva is on their radar after impressing since arriving in England.
The Goodison Park club sacked Ronald Koeman almost a month ago and caretaker boss David Unsworth's chances of remaining in charge until the end of the season continue to improve.
It is understood Silva would like the opportunity to talk to the Merseyside club and chairman Bill Kenwright and owner Farhad Moshiri, but the lack of a release clause in Silva's contract means he is bound to the club for the two years he signed on for during the summer.
The Everton board are now believed to have made the former Hull manager their top target but the report says that any chance of sealing a deal is unlikely unless Silva kicks up a fuss at Vicarage Road or an offer is made that Watford can not turn down.
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Koeman was relieved of his duties in October, with Unsworth taking over in a caretaker role, and he remains in contention to take over in the longer-term with no timescale having been put on Everton's search.
That inspiration could come from Watford, where Silva has been identified as the leading candidate for the job.
Interim boss David Unsworth will take charge of his fifth game as Everton travel to South London for a vital clash with fellow strugglers Crystal Palace on Saturday.