Has an AFL game ever ended 41-37?
Yes. AFL has seen a final score of 41-37 3 times. It first happened on May 22, 1897, when Collingwood beat Geelong, and most recently on August 21, 1909, when Sydney beat Essendon.
That makes 41-37 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 42-37 has happened 3 times and 41-38 has happened 4 times. Nearly all of its occurrences fall between 1890 and 1919.