Has an AFL game ever ended 50-48?
Yes. AFL has seen a final score of 50-48 6 times. It first happened on June 4, 1910, when Sydney beat University, and most recently on August 23, 2020, when Brisbane Lions beat St Kilda.
That makes 50-48 the 374th most common final score out of 6,649 that have ever occurred in AFL. One point away, 51-48 has happened 2 times and 50-49 has happened 2 times. At one point the score disappeared for 56 years, between 1964 and 2020.