Has an AFL game ever ended 123-77?
It has. 123-77 has been a AFL final 3 times in 16,622 games. The first was Geelong beat Carlton on May 21, 1927; the latest was Sydney beat Footscray on June 23, 1996.
That makes 123-77 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 124-77 has happened 1 times and 123-78 has happened 7 times. At one point the score disappeared for 43 years, between 1927 and 1970.