Has an AFL game ever ended 91-58?
Yes. AFL has seen a final score of 91-58 3 times. It first happened on July 29, 1967, when St Kilda beat Melbourne, and most recently on July 1, 2006, when Sydney beat Fremantle.
That makes 91-58 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 92-58 has happened 2 times and 91-59 has happened 3 times. At one point the score disappeared for 31 years, between 1975 and 2006.