Italian clubs such as AC Milan have long been linked with the 41-time Serbia international, and Bayern Munich are also reported to be tracking him.
At Säbener Straße he could replace Nicolas Jackson, who is due to return to Chelsea FC after his loan spell. Behind the established Harry Kane, the 26-year-old would likely begin as a substitute; nevertheless, with Kane now 32, Vlahovic would still have a clear path to regular first-team football.
This term he has scored seven goals and provided two assists in 20 competitive outings; a lengthy adductor injury sidelined him until his comeback against Sassuolo on 21 March, and he has since scored in the 1-1 draw with Hellas Verona.