Has an AFL game ever ended 52-28?
Exactly once. On May 31, 1913, Sydney beat Melbourne 52-28, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 52-28 in league history.
That makes 52-28 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 53-28 has happened 1 times and 52-29 has happened 1 times.