Has an AFL game ever ended 89-62?
Yes. AFL has seen a final score of 89-62 4 times. It first happened on August 7, 1920, when Carlton beat Essendon, and most recently on August 2, 2014, when Richmond beat GWS.
That makes 89-62 the 947th most common final score out of 6,607 that have ever occurred in AFL. One point away, 90-62 has happened 3 times and 89-63 has happened 3 times. At one point the score disappeared for 80 years, between 1922 and 2002.