Boston Celtics as significant as they played on Christmas in 2017. "List of the last five seasons completed by the Celtics. For the full season-by-season history, see List of Boston Celtics seasons." "Note: GP = Games played, W = Wins, L = Losses, % = Winning Percentage"; The Celtics have an NBA record 17 Championships including 8 in a row, and 11 championships in 13 years. They also have 52 playoff appearances. The Naismith Memorial Basketball Hall of Fame have 40 enshrined players who played for the Celtics, and the franchise has retired 22 jersey numbers, more than any other American sports
Bill Green (basketball) work on it [the fear] and come back later." Green quit the Celtics right before the regular season began and never returned to attempt professional basketball (or any other professional sport), knowing that in order to play he would have to get over his fear of flying, which was something he could not do. Realizing that any future as a professional athlete was out of the question, Green earned a master's degree from Brooklyn College. He taught in several New York City public schools afterward, and then in 1971 became the principal of Jordan L. Mott School in the South