Has an AFL game ever ended 110-90?
Yes. AFL has seen a final score of 110-90 4 times. It first happened on June 6, 1927, when Carlton beat Richmond, and most recently on May 27, 2006, when Richmond beat Geelong.
That makes 110-90 the 1005th most common final score out of 6,649 that have ever occurred in AFL. One point away, 111-90 has happened 7 times and 110-91 has happened 5 times. At one point the score disappeared for 47 years, between 1927 and 1974.