Has an AFL game ever ended 171-73?
Exactly once. On August 10, 1986, Hawthorn beat Sydney 171-73, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 171-73 in league history.
That makes 171-73 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 172-73 has happened 1 times and 171-74 has happened never.