Watford are in talks over a £3.3million deal to sign Gothenburg goalkeeper Pontus Dahlberg.
The 18-year-old is widely recognised as one of the best young keepers in Europe and has been watched extensively by Arsenal and Everton.
The Sweden Under-21 international is already established as a key first team member despite his young age.
And Marco Silva's Hornets side are keen to tie up a deal next month for the shot-stopper.