Has an AFL game ever ended 55-37?
It has. 55-37 has been a AFL final 3 times in 16,622 games. The first was Essendon beat Geelong on August 13, 1898; the latest was Melbourne beat St Kilda on August 1, 1964.
That makes 55-37 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 56-37 has happened never and 55-38 has happened 2 times. At one point the score disappeared for 51 years, between 1913 and 1964.