Has an AFL game ever ended 157-81?
Exactly once. On September 10, 1989, Essendon beat Geelong 157-81, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 157-81 in league history.
That makes 157-81 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 158-81 has happened 1 times and 157-82 has happened 1 times.