Has an AFL game ever ended 122-91?
Yes. AFL has seen a final score of 122-91 3 times. It first happened on April 22, 1939, when Collingwood beat Geelong, and most recently on July 31, 1993, when Carlton beat Hawthorn.
That makes 122-91 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 123-91 has happened never and 122-92 has happened 6 times. At one point the score disappeared for 54 years, between 1939 and 1993.