Has an AFL game ever ended 58-26?
Exactly once. On July 8, 1905, Sydney beat Melbourne 58-26, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 58-26 in league history.
That makes 58-26 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 59-26 has happened 2 times and 58-27 has happened never.