Has an AFL game ever ended 109-86?
It has. 109-86 has been a AFL final 6 times in 16,622 games. The first was Melbourne beat Sydney on May 15, 1943; the latest was Carlton beat North Melbourne on July 18, 2014.
That makes 109-86 the 342nd most common final score out of 6,607 that have ever occurred in AFL. One point away, 110-86 has happened 3 times and 109-87 has happened 6 times.