Mark Richardson (cricketer) colours. He retired from all forms of cricket in December 2004, saying he could not sustain the intensity needed to compete at international level. He noted that he finished with "a Test bowling average that is better than Sir Richard Hadlee's (22.29), and a 50-50 record in the end-of-series running race." He scored 9,994 first-class runs during his career, remarked that the tally was "only different from Donald Bradman's Test batting average by a decimal point" (Bradman finished his career with an average of 99.94). Richardson has been a cricket commentator for SKY Sports since 2006. He co-hosted Prime show
Batting average because it does not correlate as well as other measures to runs scored, thereby causing it to have little predictive value. Henry Chadwick, an English statistician raised on cricket, was an influential figure in the early history of baseball. In the late 19th century he adapted the concept behind the cricket batting average to devise a similar statistic for baseball. Rather than simply copy cricket's formulation of runs scored divided by outs, he realized that hits divided by at bats would provide a better measure of individual batting ability. This is because while in cricket, scoring runs is almost entirely