Has an AFL game ever ended 154-41?
Exactly once. On May 24, 2014, Richmond beat GWS 154-41, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 154-41 in league history.
That makes 154-41 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 155-41 has happened never and 154-42 has happened never.