Has an AFL game ever ended 66-57?
It has. 66-57 has been a AFL final 4 times in 16,622 games. The first was St Kilda beat Geelong on April 29, 1911; the latest was Fitzroy beat Richmond on August 2, 1969.
That makes 66-57 the 947th most common final score out of 6,607 that have ever occurred in AFL. One point away, 67-57 has happened 4 times and 66-58 has happened 6 times. Nearly all of its occurrences fall between 1950 and 1979. At one point the score disappeared for 41 years, between 1911 and 1952.