 Complete the following phrase:  At the conclusion of the 200405 season Payton and Walker both became free agents. Walker was sent to the Miami Heat in a multi-team sign-and-trade deal the largest trade in NBA history that brought the Celtics Qyntel Woods and Curtis Borchardt, both of whom would later be released, two future second-round draft picks, the rights to Spanish center Albert Miralles, and cash. Payton later chose to sign with the Heat as well. Ainge brought in a few more young players during the 