Has an AFL game ever ended 121-71?
It has. 121-71 has been a AFL final 3 times in 16,622 games. The first was Carlton beat North Melbourne on June 18, 1938; the latest was Adelaide beat Footscray on April 26, 1997.
That makes 121-71 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 122-71 has happened 3 times and 121-72 has happened 3 times. At one point the score disappeared for 39 years, between 1938 and 1977.