The NBA is one of the most popular leagues in the world, as well as being one of the most profitable. A lot of NBA players become stars because they win games, are good role models or just good basketball players. On the other hand, basketball teams attract an audience because of their winning ways. At the other end of the spectrum are those teams which lose a lot of games. These teams are usually left in the dump heap of basketball history. The following are 15 teams which have gotten the dubious distinction of having the worst NBA record.