The 31-year-old failed to agree a new contract with Middlesbrough and will the club on a free transfer.
Portsmouth, West Ham and Birmingham were also linked to the Australian.
Viduka scored 19 goals for Boro last season.
The 31-year-old failed to agree a new contract with Middlesbrough and will the club on a free transfer.
Portsmouth, West Ham and Birmingham were also linked to the Australian.
Viduka scored 19 goals for Boro last season.
