Has an AFL game ever ended 75-38?
Exactly once. On May 13, 1972, Carlton beat Melbourne 75-38, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 75-38 in league history.
That makes 75-38 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 76-38 has happened never and 75-39 has happened 2 times.