Has an AFL game ever ended 99-56?
Yes. AFL has seen a final score of 99-56 6 times. It first happened on April 27, 1907, when Essendon beat Geelong, and most recently on August 14, 2011, when Richmond beat Sydney.
That makes 99-56 the 374th most common final score out of 6,649 that have ever occurred in AFL. One point away, 100-56 has happened 5 times and 99-57 has happened 4 times. At one point the score disappeared for 36 years, between 1948 and 1984.