Has an AFL game ever ended 128-90?
Exactly once. On August 20, 1988, Essendon beat Melbourne 128-90, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 128-90 in league history.
That makes 128-90 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 129-90 has happened 1 times and 128-91 has happened 5 times.