Boston Celtics June 17, 2024 11:50 pm Celtics fans celebrate Banner 18 Beating the Mavs in Game 5 in Boston, the Celtics have won their historic 18th NBA title. US & World Videos 29:57 Gary Washburn talks new Celtics book, shares thoughts on upcoming NBA season 0:31 Red Sox legend Luis Tiant dies at 83 6:21 Jayson Tatum talks manifesting his NBA and Olympic dreams and releasing a children's book 2:27 WNBA All-Star MVP Arike Ogunbowale and the NBA's PJ Tucker are on a mission to save their shoes 2:35 Jaylen Brown thanks fans for finding Celtics championship ring