Has an AFL game ever ended 138-102?
Exactly once. On June 8, 1957, Essendon beat Geelong 138-102, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 138-102 in league history.
That makes 138-102 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 139-102 has happened never and 138-103 has happened never.