Has an AFL game ever ended 129-120?
Exactly once. On April 19, 1980, Melbourne beat Footscray 129-120, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 129-120 in league history.
That makes 129-120 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 130-120 has happened never and 129-121 has happened 1 times.