Has an AFL game ever ended 130-51?
Exactly once. On May 26, 1973, Carlton beat Sydney 130-51, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 130-51 in league history.
That makes 130-51 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 131-51 has happened never and 130-52 has happened 1 times.