Has an AFL game ever ended 47-30?
It has. 47-30 has been a AFL final 2 times in 17,053 games. The first was Carlton beat Sydney on May 14, 1898; the latest was Melbourne beat St Kilda on August 3, 1907.
That makes 47-30 the 2496th most common final score out of 6,649 that have ever occurred in AFL. One point away, 48-30 has happened never and 47-31 has happened 1 times.