Argentina international is valued at £9million by the Serie A club

26-year-old is also wanted by Inter Milan and Spanish side Valencia

Watford are sweating on their move for Genoa forward Diego Perotti as West Ham contemplate a late swoop.

The Hornets seemed to be leading the chase for the Argentina international, and have made the winger an attractive offer.

However, Perotti is waiting to see what other offers he receives before making a decision on a switch to Watford.

Genoa forward Diego Perotti has attracted interest from Watford, West Ham, Inter Milan and Valencia

Hornets head coach Quique Sanchez Flores is in the process of assessing his squad ahead of the new season

The 26-year-old Perotti (left) scored 4 Serie A goals in 27 appearances for Genoa during the 2014-15 season

And West Ham have a strong interest in the 26-year-old, but have baulked at his £9million asking price.

Between West Ham and Watford, it is understood Perotti would prefer a move to Upton Park.

There is also interest from Perotti abroad, with Inter Milan and Valencia both keen on the forward.