Has an AFL game ever ended 80-31?
It has. 80-31 has been a AFL final 2 times in 16,622 games. The first was Carlton beat Essendon on July 20, 1918; the latest was Footscray beat Essendon on May 22, 1954.
That makes 80-31 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 81-31 has happened 2 times and 80-32 has happened never. At one point the score disappeared for 36 years, between 1918 and 1954.