Has an AFL game ever ended 142-76?
Exactly once. On July 20, 1935, Carlton beat Hawthorn 142-76, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 142-76 in league history.
That makes 142-76 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 143-76 has happened 1 times and 142-77 has happened 2 times.