Chelsea have reportedly identified Maritimo midfielder Josip Vukovic as a potential signing, according to talkSPORT.
The Blues are one of a number of English clubs interested in signing the Croatian midfielder ahead of the summer transfer window.
The west London outfit are banned from signing any new players this summer but they should be able to do business in the off-season if they appeal the FIFA transfer embargo.
The report adds, Chelsea have been taking a look at Maritimo midfielder Josip Vukovic with a view to a summer move to bring him to Stamford Bridge.
With the likes of Benfica and Rangers are also credited with an interest in the midfielder, along with Premier League clubs Leicester City, Wolverhampton Wanderers and Watford.
Vukovic racked up 16 league appearances for the Portuguese outfit this season.