Has an AFL game ever ended 140-72?
It has. 140-72 has been a AFL final 2 times in 17,056 games. The first was Geelong beat Fremantle on July 28, 2007; the latest was Adelaide beat GWS on July 5, 2014.
That makes 140-72 the 2496th most common final score out of 6,649 that have ever occurred in AFL. One point away, 141-72 has happened 3 times and 140-73 has happened never.