The Spain international has been a regular source of goals throughout his career, with the 2012/13 campaign proving to be his most productive to date as he scored 30 times in all competitions.
Proven marksmen are always popular on the open market, and numerous clubs - including Tottenham Hotspur - have been heavily linked with an approach for the 28-year-old.
Valencia are reluctant to see another top talent slip through their net, but concede that everyone has a price.
Soldado is no different, but no official offers have been tabled as yet despite plenty of questions being asked.
Vazquez said in a press conference on Friday: "At the moment we have not received any formal offers for our striker, but there are many people who have asked us about his situation. I can't say much more.
"Do Valencia have a Plan B for the departure of Soldado? That is normal if big clubs are interested in a striker who scored 24 league goals in the previous season."