John Y. Brown met with Irv Levin , who then owned the Celtics .
John Y. Brown negotiated a deal in which the owners would swap franchises , with Brown taking control of the Celtics and Levin getting the Braves .
John Y. Brown met with Irv Levin , who then owned the Celtics , and negotiated a deal in which the owners would swap franchises , with Brown taking control of the Celtics and Levin getting the Braves .