Has an AFL game ever ended 187-36?
Exactly once. On August 25, 1996, Richmond beat Fitzroy 187-36, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 187-36 in league history.
That makes 187-36 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 188-36 has happened never and 187-37 has happened never.