Brendan Rodgers is reportedly planning a swoop for two players from Eredivisie team ADO Den Haag.
Swansea has sent representatives to watch Dutch midfielder Jens Toornstra and German defender Christian Kum, according to The Sun.
Jens Toornstra is a Holland Under-21s international and 26-year-old Kum is a six-year veteran of The Hague side.
Swansea are currently 15th in the Premier League with 14 points from 14 games.