The former Scotland international made over 800 appearances for the Celts from 1957 to 1975 with him wearing the captain's armband as the Hoops became the first British club to win the European Cup in 1967, under the stewardship of Sir Alex's managerial mentor, Jock Stein.
McNeill moved into management following his retirement from playing, preceding our former manager at Aberdeen where he took charge at Pittodrie from 1977 to 1983.
He managed clubs north and south of the border, with two stints at Celtic Park alongside spells at Manchester City and Aston Villa.
Both men faced each other during their playing days, with McNeill captaining Celtic and Sir Alex playing as a forward for Rangers.