Has an AFL game ever ended 139-66?
Exactly once. On June 29, 1974, Carlton beat Geelong 139-66, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 139-66 in league history.
That makes 139-66 the 3885th most common final score out of 6,649 that have ever occurred in AFL. One point away, 140-66 has happened 3 times and 139-67 has happened 1 times.