Has an AFL game ever ended 45-34?
It has. 45-34 has been a AFL final 3 times in 16,622 games. The first was Essendon beat Fitzroy on September 13, 1902; the latest was Essendon beat Sydney on July 16, 1910.
That makes 45-34 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 46-34 has happened 4 times and 45-35 has happened never. Nearly all of its occurrences fall between 1890 and 1919.