Has an AFL game ever ended 114-30?
Exactly once. On July 1, 1922, Geelong beat Sydney 114-30, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 114-30 in league history.
That makes 114-30 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 115-30 has happened never and 114-31 has happened 1 times.