Has an AFL game ever ended 77-55?
It has. 77-55 has been a AFL final 2 times in 16,622 games. The first was Sydney beat Essendon on June 3, 1988; the latest was Richmond beat Footscray on April 30, 2021.
That makes 77-55 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 78-55 has happened 3 times and 77-56 has happened 5 times. At one point the score disappeared for 33 years, between 1988 and 2021.