Boston Celtics September 10, 2020 7:22 pm Celtics Co-Owner Talks About Team's Social Justice Contribution Steve Pagliuca, co-owner of the Boston Celtics, joins Raul Martinez ahead of Game 7 after the organization donated $25 million to social justice causes. US & World Videos 10:29 FULL VIDEO: Biden honors NBA champion Boston Celtics at White House 6:15 Celtics start season by raising Banner 18, blowing out Knicks 5:31 Celtics celebrate Banner 18 as they open NBA season against Knicks 2:55 Celtics Media Day puts champions back in spotlight ahead of season 2:13 Will Jayson Tatum play in the gold medal game Saturday?