Has an AFL game ever ended 90-52?
It has. 90-52 has been a AFL final 2 times in 16,622 games. The first was Richmond beat Geelong on May 26, 1917; the latest was Geelong beat Hawthorn on September 7, 1963.
That makes 90-52 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 91-52 has happened 1 times and 90-53 has happened 3 times. At one point the score disappeared for 46 years, between 1917 and 1963.