Has an AFL game ever ended 77-77?
It has. 77-77 has been a AFL final 3 times in 16,622 games. The first was Fitzroy and Hawthorn drew on May 13, 1939; the latest was Melbourne and Fitzroy drew on August 1, 1959.
That makes 77-77 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 78-77 has happened 4 times and 77-78 has happened never.