Has an AFL game ever ended 88-28?
Exactly once. On May 8, 1909, Fitzroy beat Geelong 88-28, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 88-28 in league history.
That makes 88-28 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 89-28 has happened never and 88-29 has happened never.