Has an AFL game ever ended 148-73?
Exactly once. On July 28, 1990, St Kilda beat Sydney 148-73, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 148-73 in league history.
That makes 148-73 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 149-73 has happened 2 times and 148-74 has happened never.