In the National Basketball Association, there have also been allegations of teams tanking games to finish in sixth rather than fifth place in the conference standings, thus enabling the team in question to evade a possible playoff match with the conference's top seed until the final round of playoffs in that conference (for more details see single-elimination tournament). Additionally, the NBA is the only one of the four major professional sports leagues of the United States in which home advantage in the playoffs is based strictly on regular-season record without regard to seeding. This led to (unproven) allegations of late-season tanking by the 2005–06 Los Angeles Clippers in order to finish sixth instead of fifth in their conference; because of the league's playoff hosting rules, the Clippers would have home advantage in the 3–6 matchup but not the 4–5 matchup. Following that season, the NBA changed its playoff format so that the best second-place team in each conference would be able to obtain up to the #2 seed should it have the second-best conference record. The NBA has since changed its playoff format again, now awarding playoff berths to the top eight teams in each conference without regard to divisional alignment.