Has an AFL game ever ended 90-66?
Yes. AFL has seen a final score of 90-66 6 times. It first happened on July 30, 1932, when Richmond beat Melbourne, and most recently on April 24, 1999, when Melbourne beat Port Adelaide.
That makes 90-66 the 342nd most common final score out of 6,607 that have ever occurred in AFL. One point away, 91-66 has happened 1 times and 90-67 has happened 5 times. At one point the score disappeared for 39 years, between 1960 and 1999.