Has an AFL game ever ended 154-151?
Exactly once. On June 29, 1940, Geelong beat Melbourne 154-151, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 154-151 in league history.
That makes 154-151 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 155-151 has happened never and 154-152 has happened never.