Has an AFL game ever ended 72-32?
Exactly once. On May 7, 1988, Carlton beat St Kilda 72-32, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 72-32 in league history.
That makes 72-32 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 73-32 has happened never and 72-33 has happened 2 times.