Has an AFL game ever ended 87-84?
Yes. AFL has seen a final score of 87-84 5 times. It first happened on June 2, 1928, when Collingwood beat Carlton, and most recently on April 16, 2016, when Hawthorn beat St Kilda.
That makes 87-84 the 589th most common final score out of 6,607 that have ever occurred in AFL. One point away, 88-84 has happened 3 times and 87-85 has happened 5 times. At one point the score disappeared for 44 years, between 1972 and 2016.