Has an AFL game ever ended 142-75?
Exactly once. On August 10, 1929, St Kilda beat Fitzroy 142-75, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 142-75 in league history.
That makes 142-75 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 143-75 has happened 1 times and 142-76 has happened 1 times.