Has an AFL game ever ended 57-26?
Exactly once. On July 22, 1899, Essendon beat Carlton 57-26, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 57-26 in league history.
That makes 57-26 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 58-26 has happened 1 times and 57-27 has happened 2 times.