Has an AFL game ever ended 102-101?
Yes. AFL has seen a final score of 102-101 6 times. It first happened on May 7, 1938, when Carlton beat Essendon, and most recently on August 11, 2002, when Geelong beat St Kilda.
That makes 102-101 the 342nd most common final score out of 6,607 that have ever occurred in AFL. One point away, 103-101 has happened 3 times and 102-102 has happened never. At one point the score disappeared for 27 years, between 1938 and 1965.