Has an AFL game ever ended 84-77?
It has. 84-77 has been a AFL final 5 times in 16,622 games. The first was Carlton beat Fitzroy on May 12, 1945; the latest was Gold Coast beat Footscray on May 27, 2023.
That makes 84-77 the 589th most common final score out of 6,607 that have ever occurred in AFL. One point away, 85-77 has happened 6 times and 84-78 has happened 5 times. At one point the score disappeared for 37 years, between 1947 and 1984.