Has an AFL game ever ended 117-91?
Exactly once. On April 25, 2004, Fremantle beat Geelong 117-91, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 117-91 in league history.
That makes 117-91 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 118-91 has happened 5 times and 117-92 has happened 2 times.