Has an AFL game ever ended 105-51?
It has. 105-51 has been a AFL final 3 times in 17,053 games. The first was Melbourne beat St Kilda on May 3, 1902; the latest was Hawthorn beat Sydney on September 6, 2013.
That makes 105-51 the 1599th most common final score out of 6,649 that have ever occurred in AFL. One point away, 106-51 has happened 3 times and 105-52 has happened never. At one point the score disappeared for 103 years, between 1902 and 2005.