Has an AFL game ever ended 138-85?
Exactly once. On May 17, 1980, Richmond beat Carlton 138-85, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 138-85 in league history.
That makes 138-85 the 3885th most common final score out of 6,649 that have ever occurred in AFL. One point away, 139-85 has happened never and 138-86 has happened 3 times.