Zanetti doesn't hold a grudge against his former teammate.
"We experienced a very intense period together at Inter with Mario," Zanetti said. "Now he's on the other side.
"On Sunday I'll be happy to say hello to him and then once the first ball is kicked we'll be opponents.
"Who am I most worried about in the derby between Balotelli and Stephan El Shaarawy? They're both fantastic players, but what matters is that Inter are on form.
"Me at Milan? The thought has never crossed my mind and that's something that will never happen in my career "