Has an AFL game ever ended 98-86?
Yes. AFL has seen a final score of 98-86 7 times. It first happened on August 19, 1933, when Fitzroy beat Geelong, and most recently on July 29, 2017, when GWS beat Fremantle.
That makes 98-86 the 191st most common final score out of 6,607 that have ever occurred in AFL. One point away, 99-86 has happened 2 times and 98-87 has happened 2 times. At one point the score disappeared for 40 years, between 1956 and 1996.