Blues are understood to be trialling the 24-year-old Slovakian forward this week with a view to signing the player in January.
However, Novak's club, Kosice have refused to comment on the reports.
"We cannot comment on any reports about Jan," MFK's head of football development, Allen Bula, has told skysports.com.
"It does look like he will be sold, but to what team in which country - we cannot say at present."