Has an AFL game ever ended 45-45?
It has. 45-45 has been a AFL final 2 times in 16,622 games. The first was Essendon and Carlton drew on April 29, 1911; the latest was Fitzroy and Carlton drew on May 12, 1917.
That makes 45-45 the 2421st most common final score out of 6,607 that have ever occurred in AFL. One point away, 46-45 has happened 2 times and 45-46 has happened never.