Batting average (cricket) are usually subject to a minimum qualification of 20 innings played or completed, in order to exclude batsmen who have not played enough games for their skill to be reliably assessed. Under this qualification, the highest Test batting average belongs to Australia's Sir Donald Bradman, with 99.94. Given that a career batting average over 50 is exceptional, and that only five other players have averages over 60, this is an outstanding statistic. The fact that Bradman's average is so far above that of "any" other cricketer has led several statisticians to argue that, statistically at least, he was the greatest
Don Bradman's batting technique as a run-maker. In recent years, efforts have been made to analyse his game by using biomechanical studies. In the Bradman Museum, it is revealed that Bradman used a ping pong ball and a cricket stump to practice batting. At 170 cm (5' 7"), Bradman was not a big man, but he was athletic and very fast on his feet. During his developing years, he played cricket on artificial pitches, made of concrete with coir matting stretched tautly over the top. His short stature shaped his early development, as he had to deal with the high bounce of the ball