Has an AFL game ever ended 120-82?
Yes. AFL has seen a final score of 120-82 3 times. It first happened on April 19, 1958, when St Kilda beat Essendon, and most recently on July 1, 2006, when Melbourne beat Port Adelaide.
That makes 120-82 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 121-82 has happened 6 times and 120-83 has happened 2 times. At one point the score disappeared for 31 years, between 1975 and 2006.