2K Sports today announced that NBA 2K9, the latest game developed by 2K Sports' Visual Concepts studio, has shipped to retail, for Xbox 360, PS3 and PS2. NBA 2K9 provides unmatched attention to detail this season with even more signature style animations, deeper franchise mode, adaptive AI for smarter gameplay, and innovative online features including Team Up for true online 5-on-5 matches, and Living Rosters for the most up-to-date player ratings and tendencies.