Bologna had their best chance in the 65th but Milan goalkeeper Gianluigi Donnarumma pulled off a fantastic save to deny Ladislav Krejci .
Milan goalkeeper Gianluigi Donnarumma turns 18 later this month .
Bologna had their best chance in the 65th but Milan goalkeeper Gianluigi Donnarumma , who turns 18 later this month , pulled off a fantastic save to deny Ladislav Krejci .