Has an AFL game ever ended 126-108?
Exactly once. On July 30, 2000, Melbourne beat Geelong 126-108, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 126-108 in league history.
That makes 126-108 the 3883rd most common final score out of 6,649 that have ever occurred in AFL. One point away, 127-108 has happened never and 126-109 has happened never.