Has an AFL game ever ended 70-52?
It has. 70-52 has been a AFL final 3 times in 16,622 games. The first was Fitzroy beat Footscray on May 12, 1951; the latest was Melbourne beat Richmond on July 14, 2006.
That makes 70-52 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 71-52 has happened 4 times and 70-53 has happened 3 times. At one point the score disappeared for 41 years, between 1965 and 2006.