Liverpool and Chelsea sent scouts to watch Roberto Firmino of Hoffenheim over the weekend.
Frimino, 22, has 13 goals in 24 appearances this season.
The midfielder is expected to fetch around £12m should he depart Hoffenheim at the end of the campaign.
Manchester United is also interested in Frimino while AC Milan, Inter Milan, Wolfsburg and Schalke were also in attendance.
Via Hoffenheim