Has an AFL game ever ended 99-86?
It has. 99-86 has been a AFL final 2 times in 16,622 games. The first was Carlton beat Geelong on April 24, 1971; the latest was Sydney beat Geelong on August 27, 2011.
That makes 99-86 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 100-86 has happened 8 times and 99-87 has happened 2 times. At one point the score disappeared for 40 years, between 1971 and 2011.