Has an AFL game ever ended 62-51?
It has. 62-51 has been a AFL final 6 times in 17,053 games. The first was Richmond beat Melbourne on May 2, 1908; the latest was Sydney beat Richmond on June 20, 2014.
That makes 62-51 the 374th most common final score out of 6,649 that have ever occurred in AFL. One point away, 63-51 has happened 7 times and 62-52 has happened 1 times. At one point the score disappeared for 65 years, between 1949 and 2014.