Has an AFL game ever ended 112-72?
Exactly once. On April 12, 1975, Richmond beat Geelong 112-72, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 112-72 in league history.
That makes 112-72 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 113-72 has happened 2 times and 112-73 has happened 4 times.