Has an AFL game ever ended 114-37?
Exactly once. On May 14, 1910, Richmond beat Melbourne 114-37, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 114-37 in league history.
That makes 114-37 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 115-37 has happened never and 114-38 has happened never.