Has an AFL game ever ended 99-87?
Yes. AFL has seen a final score of 99-87 2 times. It first happened on April 23, 1989, when Geelong beat Footscray, and most recently on March 23, 2018, when Essendon beat Adelaide.
That makes 99-87 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 100-87 has happened 5 times and 99-88 has happened 5 times. At one point the score disappeared for 29 years, between 1989 and 2018.