1977 | 1977 in music | ATP World Tour Masters 1000 | snooker | Cincinnati Masters | Masters Tournament | Masters | Masters of Horror | Annals of the Four Masters | World Snooker Championship | Deutsche Tourenwagen Masters | 1977 in television | Snooker world rankings | Miami Masters | Edgar Lee Masters | Paris Masters | He-Man and the Masters of the Universe | List of Grand Masters of the Knights Hospitaller | John Higgins (snooker player) | ATP Masters Series | 1977 in baseball | Top Chef Masters | Masters athletics | masters | Masters and Johnson | Madrid Masters | List of Grand Masters of the Grand Lodge of Scotland | Snooker | Mark Williams (snooker player) | Ken Masters |
Mountjoy's first success was in the 1977 Masters at the New London Theatre as a late replacement, and his first professional tournament.