Has an AFL game ever ended 138-62?
Exactly once. On August 24, 1935, Sydney beat Geelong 138-62, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 138-62 in league history.
That makes 138-62 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 139-62 has happened 2 times and 138-63 has happened 1 times.