Has an AFL game ever ended 107-57?
Exactly once. On May 26, 1956, Geelong beat Essendon 107-57, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 107-57 in league history.
That makes 107-57 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 108-57 has happened 4 times and 107-58 has happened 3 times.