Has an AFL game ever ended 91-50?
Yes. AFL has seen a final score of 91-50 4 times. It first happened on August 1, 1925, when Footscray beat Fitzroy, and most recently on June 17, 1972, when St Kilda beat North Melbourne.
That makes 91-50 the 947th most common final score out of 6,607 that have ever occurred in AFL. One point away, 92-50 has happened 2 times and 91-51 has happened 2 times. Nearly all of its occurrences fall between 1950 and 1979. At one point the score disappeared for 30 years, between 1925 and 1955.