On 9 March 1965, Jock returned to Celtic as their
first non-Catholic manager. Following a barren
period of 8 years without a trophy for Celtic, he
revitalised the team and just six weeks after
becoming manager, led Celtic to Scottish Cup success
in a 3-2 victory over his old club Dunfermline. The
next year Celtic were crowned Scottish champions for
the first time since 1954; they also reached the
semi-finals of the European Cup-Winners-Cup only to
be knocked out on away goals by Liverpool. Quite a
start to his managerial career.He managed Celtic to a domestic treble for the first time in the Club's history and won the European Cup, the first British team to conquer Europe's most prestigious trophy.
He also became the first manager of the first club
in history to win all competitions entered.
