Has an AFL game ever ended 157-71?
Exactly once. On September 1, 1996, Fremantle beat Fitzroy 157-71, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 157-71 in league history.
That makes 157-71 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 158-71 has happened 1 times and 157-72 has happened never.