Has an AFL game ever ended 90-87?
It has. 90-87 has been a AFL final 3 times in 16,622 games. The first was Geelong beat Collingwood on May 23, 1925; the latest was Essendon beat St Kilda on July 26, 1998.
That makes 90-87 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 91-87 has happened 5 times and 90-88 has happened 11 times. At one point the score disappeared for 46 years, between 1925 and 1971.