Has an AFL game ever ended 78-52?
It has. 78-52 has been a AFL final 2 times in 16,622 games. The first was Footscray beat Hawthorn on May 14, 1927; the latest was Essendon beat Sydney on May 25, 1929.
That makes 78-52 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 79-52 has happened 4 times and 78-53 has happened 3 times.