Has an AFL game ever ended 139-57?
Exactly once. On June 1, 2008, Sydney beat Richmond 139-57, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 139-57 in league history.
That makes 139-57 the 3885th most common final score out of 6,649 that have ever occurred in AFL. One point away, 140-57 has happened 2 times and 139-58 has happened never.