Has an AFL game ever ended 161-75?
Exactly once. On August 6, 1983, Fitzroy beat Melbourne 161-75, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 161-75 in league history.
That makes 161-75 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 162-75 has happened never and 161-76 has happened never.