On 15 July 1990, Fitzgibbon was selected at left corner-forward for Cork's Munster final meeting with Tipperary. He scored two goals and collected a second provincial winners' medal following the 4-16 to 2-14 defeat of Tipperary. On 2 September, Fitzgibbon was again at left corner-forward for the All-Ireland final against Galway. He scored two goals in the space of 90 seconds in the second half to help Cork to a 5-15 to 2-21 victory. It was Fitzgibbon's second winners' medal overall and his first on the field of play. He ended the season by being selected for the All-Star team.