Has an AFL game ever ended 137-74?
Exactly once. On September 27, 2014, Hawthorn beat Sydney 137-74, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 137-74 in league history.
That makes 137-74 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 138-74 has happened 1 times and 137-75 has happened 2 times.