Premier League clubs are circling Stuttgart for Sasa Kalajdzic.
Manchester United, Chelsea and Everton are all targeting for Austria international.
Bayern Munich are also keen as they spy Kalajdzic as a replacement for Robert Lewandowski.
He has scored 24 goals in 57 games for Stuttgart and has 15 caps for Austria.
He is on a list for United and Chelsea which also includes Benjamin Sesko at Red Bull Salzburg, who are reluctant to sell this summer.