Has an AFL game ever ended 71-49?
Yes. AFL has seen a final score of 71-49 2 times. It first happened on July 24, 1937, when Hawthorn beat Fitzroy, and most recently on May 2, 1970, when Sydney beat Richmond.
That makes 71-49 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 72-49 has happened 3 times and 71-50 has happened 4 times. At one point the score disappeared for 33 years, between 1937 and 1970.