However, his proposed switch to Turin has collapsed, alerting Spurs.
The London club are understood to have submitted an £8.2m offer for the South American, and are hopeful that Inter will cash in on their unsettled star.
But, the Italian giants are rumoured to value their man at close to £15m.
Tim Sherwood is keen to add players that suit his playing style before next week’s deadline, with his current squad full of signings made by Andre Villas-Boas.
Guarin’s bombarding playing style is seen as an ideal fit for the Tottenham coach’s approach, and the sort of arrival that could spark a top four finish.
Should the 27-year-old arrive at White Hart Lane, it could speed up Etienne Capoue’s exit.
The Frenchman – who only arrived at the club over the summer – is wanted by Napoli after a difficult few months in London.