<P> In basketball, a double is the accumulation of a double - digit number total in one of five statistical categories--points, rebounds, assists, steals, and blocked shots--in a game . Multiple players usually score double - digit points in any given basketball game; the double nomenclature is usually reserved for when a player has double - digit totals in more than one category . </P> <P> A double - double is the accumulation of a double - digit number total in two of the statistical five categories in a game . The most common double - double combination is points - rebounds, followed by points - assists . Since the 1983--84 season, Tim Duncan leads the National Basketball Association (NBA) in the points - rebounds combination with 840, and John Stockton leads the points - assists combination with 714 . </P> <P> A triple - double is the accumulation of a double - digit number total in three of the five categories in a game . The most common way to achieve a triple - double is through points, rebounds, and assists . Oscar Robertson leads the all - time NBA list with 181 career triple - doubles and is, with Russell Westbrook, one of only two players ever to average a triple - double for a season . Westbrook currently holds the record for most triple - doubles in a season with 42 and is the only person to average a triple - double for two consecutive seasons . </P> <P> A quadruple - double is the accumulation of a double - digit number total in four of the five categories in a game . This has occurred four times in the NBA . </P>

Who leads the nba in career triple doubles