Has an AFL game ever ended 83-26?
Exactly once. On May 21, 1898, Melbourne beat Carlton 83-26, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 83-26 in league history.
That makes 83-26 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 84-26 has happened 3 times and 83-27 has happened 1 times.