Has an AFL game ever ended 143-48?
Exactly once. On June 2, 2013, Hawthorn beat Melbourne 143-48, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 143-48 in league history.
That makes 143-48 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 144-48 has happened never and 143-49 has happened never.