Has an AFL game ever ended 125-112?
Exactly once. On July 24, 1983, Sydney beat Melbourne 125-112, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 125-112 in league history.
That makes 125-112 the 3883rd most common final score out of 6,649 that have ever occurred in AFL. One point away, 126-112 has happened never and 125-113 has happened 4 times.