Tottenham face an uphill struggle to sign Porto's Luis Diaz, with the clubs currently some way apart in their valuation of the forward.
Spurs have opened talks with Porto over Diaz, who has a release clause of £66million, but their opening proposal of around £37m plus add-ons has been rebuffed by the Portuguese club.
Diaz, 25, is one of Europe's most sought-after attackers, having scored 14 goals in 18 league appearances this season, while the Colombian finished joint-top scorer with Lionel Messi at last summer's Copa America.
His capture would be a significant coup for Spurs, and help to appease head coach Antonio Conte, who has called for signings before the end of the month.
Fabio Paratici, Spurs' managing director, is thought to be leading the pursuit of Diaz but they will likely have to significantly up their bid to tempt Porto to sell mid-season.
The Dragons are competing for the league title, and the situation is further complicated because Diaz’s contract is thought to include a 20 percent sell-on fee to his former club.
