Has an AFL game ever ended 143-75?
Exactly once. On June 5, 1965, Richmond beat Fitzroy 143-75, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 143-75 in league history.
That makes 143-75 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 144-75 has happened 2 times and 143-76 has happened 1 times.