Napoli are interested in Capoue but Spurs value the 25-year-old at €12 million, a price which has been called "absurd" by the player's agent.
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Capoue, who joined White Hart Lane from Toulouse last August, featured as a central defender during Andre Villas-Boas’ reign earlier this season.
But the France international has hit out at Sherwood over his plans to keep him in a defensive role.
"I am not surprised," Capoue said. "It is the English way. They don't know much about foreign players."
Having made 14 appearances for Tottenham in all competitions this term, Capoue admits his chances of securing a place in France's World Cup squad look bleak.
"If I don't play, it will be difficult [to go]," he said. "If something [a move] presents itself, we'll talk."