Has an AFL game ever ended 86-80?
It has. 86-80 has been a AFL final 3 times in 16,622 games. The first was Richmond beat Fitzroy on June 3, 1978; the latest was Essendon beat Melbourne on June 1, 1991.
That makes 86-80 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 87-80 has happened 7 times and 86-81 has happened 6 times.