Has an AFL game ever ended 124-40?
Yes. AFL has seen a final score of 124-40 3 times. It first happened on August 20, 1966, when St Kilda beat Fitzroy, and most recently on July 3, 2010, when Adelaide beat Essendon.
That makes 124-40 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 125-40 has happened never and 124-41 has happened never. At one point the score disappeared for 39 years, between 1966 and 2005.