Has an AFL game ever ended 191-84?
Exactly once. On July 9, 1977, Hawthorn beat Geelong 191-84, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 191-84 in league history.
That makes 191-84 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 192-84 has happened never and 191-85 has happened never.