Has an AFL game ever ended 142-44?
Exactly once. On July 23, 1921, Carlton beat St Kilda 142-44, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 142-44 in league history.
That makes 142-44 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 143-44 has happened 1 times and 142-45 has happened never.