Has an AFL game ever ended 105-80?
It has. 105-80 has been a AFL final 4 times in 16,622 games. The first was Collingwood beat Melbourne on June 27, 1942; the latest was Richmond beat Carlton on March 18, 2021.
That makes 105-80 the 947th most common final score out of 6,607 that have ever occurred in AFL. One point away, 106-80 has happened 5 times and 105-81 has happened 12 times. At one point the score disappeared for 43 years, between 1943 and 1986.