Has an AFL game ever ended 142-70?
Exactly once. On August 14, 2016, Adelaide beat Fremantle 142-70, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 142-70 in league history.
That makes 142-70 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 143-70 has happened 1 times and 142-71 has happened never.