Tottenham boss Andre Villas-Boas says Luka Modric's asking price has still not been met.
Real Madrid are in talks with Spurs for the midfielder.
"He has been training separately. Now it is important for Luka to feel mentally ready to come back to first-team training," Villas-Boas told Sky Sports News after Sunday's 1-0 friendly victory over Watford, which Modric missed.
"These boys are at a different level in terms of their preparation, concentration and commitment.
"I think the player has to understand that the club cannot do anything about other clubs' offers.
"We have a value and an interest that we have to defend, and we are waiting to reintegrate the player if the offer is not matched."