The Rossoneri twice took the lead through dazzling 23-year-old Suso, but the Nerazzurri struck back in the dying moments to earn a draw in the Derby della Madonnina
Ivan Perisic scored a dramatic stoppage-time equaliser as Inter salvaged a 2-2 derby draw against AC Milan in Stefano Pioli's first match in charge of the Nerazzurri.
Inter had the better of the first half, but Suso scored three minutes before the break with a fine strike.
Antonio Candreva netted a thumping equaliser early in the second period, but Suso promptly responded with a well-taken second that looked like it would prove enough for victory.