Has an AFL game ever ended 140-57?
Yes. AFL has seen a final score of 140-57 2 times. It first happened on September 24, 1983, when Hawthorn beat Essendon, and most recently on May 18, 2013, when Hawthorn beat GWS.
That makes 140-57 the 2496th most common final score out of 6,649 that have ever occurred in AFL. One point away, 141-57 has happened never and 140-58 has happened 1 times. At one point the score disappeared for 30 years, between 1983 and 2013.