Among players with a minimum of 20 innings played or completed, the highest Test batting average belongs to Australia's Sir Donald Bradman, with 99.94.
The last Major League Baseball (MLB) player to do so, with enough plate appearances to qualify for the batting championship, was Ted Williams of the Boston Red Sox, who hit .406 in 1941.
Henry Chadwick, an English statistician raised on cricket, was an influential figure in the early history of baseball.
[3] In the late 19th century he adapted the concept behind the cricket batting average to devise a similar statistic for baseball.
Chadwick noted that hits are independent of teammates' skills, so used this as the basis for the baseball batting average.