Has an AFL game ever ended 66-66?
It has. 66-66 has been a AFL final 6 times in 16,622 games. The first was Carlton and Sydney drew on May 6, 1911; the latest was Carlton and Footscray drew on May 25, 1974.
That makes 66-66 the 342nd most common final score out of 6,607 that have ever occurred in AFL. One point away, 67-66 has happened 3 times and 66-67 has happened never. Nearly all of its occurrences fall between 1950 and 1979. At one point the score disappeared for 45 years, between 1911 and 1956.