Sandro Mazzola feels the momentum is with Inter ahead of Saturday's potentially title-deciding Derby della Madonnina.
Inter are just two points behind League leaders Milan and can overtake their rivals with a victory at San Siro.
Speaking to La Gazzetta dello Sport, Mazzola said: "Inter are favourites after the comeback and this is what worries me because of the old rule that the favourite doesn't win.
"It's a decisive game only if Inter don't win."
Asked if Zlatan Ibrahimovic's absence would hurt Milan, Mazzola said: "It will be felt a little. Milan got their transfer strategy wrong in January. They should have bought a big striker considering this possibility.
"If I had to take a player from Milan, I'd take a defender. Until a little while ago I would have said Alessandro Nesta. Now I am saying Thiago Silva who has improved a lot recently."
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