The Mirror is reporting that Everton are reluctant to sell McCarthy, who has three years left on his deal with the Toffees.
However, Spurs are understood to see Lennon, who spent last season on loan at Goodison Park as their trump card in negotiations.
It is understood Tottenham are confident a player-plus-cash deal featuring the 28-year-old would be enough to see Everton send McCarthy to White Hart Lane.
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