The Portsmouth Invitational Tournament, or "PIT", is the United States' oldest amateur basketball tournament and the only postseason camp conducted for the top NCAA (i.e. college) seniors only. The tournament is recognized by the National Basketball Association (NBA) and European scouts as a showcase for future professional players. Approximately 200 NBA representatives attend the event with 64 seniors invited to play in one of the 8 teams (8x8 players). The four-day tournament consist of 12 games and has existed since 1953 without interruption. All games are played at Portsmouth, Virginia.