Has an AFL game ever ended 108-54?
It has. 108-54 has been a AFL final 4 times in 17,053 games. The first was Essendon beat Melbourne on June 3, 1912; the latest was Fremantle beat Footscray on April 21, 2018.
That makes 108-54 the 1005th most common final score out of 6,649 that have ever occurred in AFL. One point away, 109-54 has happened 1 times and 108-55 has happened 2 times. At one point the score disappeared for 59 years, between 1956 and 2015.