Watford are closing on a £13million deal for Juventus midfielder Roberto Pereyra.
Talks have been ongoing for some time with the Argentine also being offered to clubs such as West Ham.
However, Watford made a breakthrough in talks over the weekend and are now going over the finer details of his contract.
The 25-year-old has already held talks with Watford manager Walter Mazzarri and is due to arrive in London on Wednesday.