Has an AFL game ever ended 91-46?
Exactly once. On May 7, 1988, Footscray beat Richmond 91-46, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 91-46 in league history.
That makes 91-46 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 92-46 has happened 2 times and 91-47 has happened never.