Has an AFL game ever ended 116-50?
Exactly once. On April 30, 1932, Richmond beat St Kilda 116-50, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 116-50 in league history.
That makes 116-50 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 117-50 has happened 2 times and 116-51 has happened 1 times.