Tanking in sports refers to the practice of intentionally fielding non-competitive teams to take advantage of league rules that benefit losing teams. This is a much more common practice in American sports that utilize closed leagues than in sports leagues in other nations, which typically penalize poor performers using a promotion and relegation system, in which the worst teams after each season are sent to a lower-tiered league and replaced with that league's best teams. Relegation costs teams revenue and makes it more difficult for them to attract top talent, making tanking unfeasible. Tanking teams are usually seeking higher picks in the next draft, since league rules generally give the highest draft picks to the previous season's worst teams. Teams that decide to start tanking often do