Has an AFL game ever ended 122-70?
It has. 122-70 has been a AFL final 2 times in 16,622 games. The first was St Kilda beat Geelong on June 24, 1967; the latest was Richmond beat Carlton on May 22, 1971.
That makes 122-70 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 123-70 has happened never and 122-71 has happened 3 times.