Has an AFL game ever ended 63-45?
Exactly once. On August 29, 1925, Richmond beat Sydney 63-45, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 63-45 in league history.
That makes 63-45 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 64-45 has happened 2 times and 63-46 has happened 4 times.