Has an AFL game ever ended 170-85?
Exactly once. On May 1, 1937, Melbourne beat Essendon 170-85, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 170-85 in league history.
That makes 170-85 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 171-85 has happened never and 170-86 has happened 2 times.