Has an AFL game ever ended 79-57?
It has. 79-57 has been a AFL final 7 times in 16,622 games. The first was St Kilda beat Sydney on July 18, 1914; the latest was Sydney beat Essendon on August 1, 2014.
That makes 79-57 the 191st most common final score out of 6,607 that have ever occurred in AFL. One point away, 80-57 has happened 2 times and 79-58 has happened 3 times. At one point the score disappeared for 54 years, between 1960 and 2014.