Has an AFL game ever ended 51-32?
Yes. AFL has seen a final score of 51-32 2 times. It first happened on May 9, 1908, when Sydney beat Geelong, and most recently on August 17, 1912, when Sydney beat Geelong.
That makes 51-32 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 52-32 has happened 2 times and 51-33 has happened 3 times.