Has an AFL game ever ended 70-31?
Yes. AFL has seen a final score of 70-31 2 times. It first happened on April 27, 1912, when Carlton beat Geelong, and most recently on July 24, 1915, when St Kilda beat Essendon.
That makes 70-31 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 71-31 has happened never and 70-32 has happened never.