Has an AFL game ever ended 159-97?
Exactly once. On April 8, 1990, Essendon beat Hawthorn 159-97, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 159-97 in league history.
That makes 159-97 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 160-97 has happened 1 times and 159-98 has happened never.