Has an AFL game ever ended 66-61?
Yes. AFL has seen a final score of 66-61 2 times. It first happened on May 20, 1916, when Carlton beat Richmond, and most recently on July 16, 1921, when Richmond beat Sydney.
That makes 66-61 the 2496th most common final score out of 6,649 that have ever occurred in AFL. One point away, 67-61 has happened 4 times and 66-62 has happened 3 times.