Has an AFL game ever ended 57-50?
Yes. AFL has seen a final score of 57-50 3 times. It first happened on July 6, 1907, when Collingwood beat Sydney, and most recently on July 2, 2011, when Adelaide beat Sydney.
That makes 57-50 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 58-50 has happened 1 times and 57-51 has happened 3 times. At one point the score disappeared for 52 years, between 1907 and 1959.