Everton midfielder Marouane Fellaini has reportedly attracted interest from both Chelsea and Paris Saint-Germain after an impressive season in the Premier League.
Meanwhile, Toffees' full-back Leighton Baines has been persistently linked with a possible move to Manchester United.
However, Moyes insists he will stand his ground and try to hold on to his players.
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"So I'm not going out there as a salesman to try to sell them. We have had no contact from Chelsea [on Fellaini].
"It will be important that we keep hold of our best players."
Moyes is reported to be tracking a number of players to add to his squad for next season, among them 19-year-old Bayern Munich frontman Dale Jennings and 22-year-old Heerenveen striker Bas Dost.
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