Has an AFL game ever ended 83-45?
It has. 83-45 has been a AFL final 2 times in 16,622 games. The first was Melbourne beat Fitzroy on June 13, 1925; the latest was Richmond beat Fremantle on May 21, 2016.
That makes 83-45 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 84-45 has happened 4 times and 83-46 has happened 4 times. At one point the score disappeared for 91 years, between 1925 and 2016.