Has an AFL game ever ended 149-103?
Exactly once. On June 13, 1938, Essendon beat St Kilda 149-103, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 149-103 in league history.
That makes 149-103 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 150-103 has happened never and 149-104 has happened 2 times.