Has an AFL game ever ended 72-51?
Yes. AFL has seen a final score of 72-51 2 times. It first happened on May 22, 1915, when Carlton beat Melbourne, and most recently on June 10, 1922, when Fitzroy beat Richmond.
That makes 72-51 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 73-51 has happened 5 times and 72-52 has happened 3 times.