Has an AFL game ever ended 102-63?
Exactly once. On July 10, 1976, Geelong beat St Kilda 102-63, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 102-63 in league history.
That makes 102-63 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 103-63 has happened 2 times and 102-64 has happened 6 times.