Has an AFL game ever ended 189-83?
Exactly once. On August 26, 1944, Essendon beat St Kilda 189-83, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 189-83 in league history.
That makes 189-83 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 190-83 has happened never and 189-84 has happened never.