Has an AFL game ever ended 106-37?
Exactly once. On July 16, 2005, St Kilda beat Richmond 106-37, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 106-37 in league history.
That makes 106-37 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 107-37 has happened never and 106-38 has happened never.