15 hours ago Celtics celebrate Banner 18 as they open NBA season against Knicks The Boston Celtics will raise Banner 18 at the TD Garden as the pursuit for Banner 19 begins. US & World Videos 2:09 Patriots fans head to London 0:35 Liberty advance to WNBA Finals, end Aces' chance at three-peat 1:16 2024 WNBA semifinals set: Aces, Liberty to meet in 2023 Finals rematch 2:55 Celtics Media Day puts champions back in spotlight ahead of season 2:42 2024 WNBA regular season: By the numbers