Tottenham have had a £12.9m offer rejected by Bologna for defender Takehiro Tomiyasu.
Spurs also offered a further £2.6m in add-ons but Bologna now want £17.2m. Negotiations are continuing and an agreement could still be reached with the Serie A club.
The Premier League side are looking to strengthen their defence this summer, with centre back and right back a priority.
Tottenham have had a £12.9m offer rejected by Bologna for defender Takehiro Tomiyasu
Spurs are looking to strengthen their defence under new manager Nuno Espirito Santo
Tomiyasu is capable of playing in both positions and would be a valuable addition for new boss Nuno Espirito Santo.