Has an AFL game ever ended 96-91?
Exactly once. On July 17, 1976, Footscray beat Richmond 96-91, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 96-91 in league history.
That makes 96-91 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 97-91 has happened 5 times and 96-92 has happened 2 times.