Has an AFL game ever ended 129-126?
Exactly once. On May 30, 1992, Geelong beat St Kilda 129-126, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 129-126 in league history.
That makes 129-126 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 130-126 has happened never and 129-127 has happened 1 times.