Has an AFL game ever ended 83-79?
Yes. AFL has seen a final score of 83-79 4 times. It first happened on June 6, 1942, when Footscray beat Fitzroy, and most recently on July 2, 2016, when Footscray beat Sydney.
That makes 83-79 the 947th most common final score out of 6,607 that have ever occurred in AFL. One point away, 84-79 has happened 4 times and 83-80 has happened 8 times. At one point the score disappeared for 40 years, between 1970 and 2010.