The 29-year-old is keen on leaving the Bundesliga side in the January transfer window.
Demichelis is reportedly having problems with Bayern coach Louis Van Gaal.
“The rapport with Van Gaal has now deteriorated and many clubs like Martin,” revealed agent Jorge Cyterszpiler in German newspaper TZ.
“Juventus and Chelsea are in pole position, as they appreciate the player more than anyone else.
“How much does he cost? You’d have to ask Bayern that.”