Has an AFL game ever ended 70-29?
Exactly once. On July 20, 1912, Fitzroy beat Richmond 70-29, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 70-29 in league history.
That makes 70-29 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 71-29 has happened 1 times and 70-30 has happened 1 times.