Dave Cowens Celtic Debut On this day, in 1970 Center Dave Cowens made his debut for the Boston Celtics in New York, Cowens played 11 years in the NBA. October 13, 1970 Sport: Basketball Trivia What Are the Five Events That Make Up the Modern Olympic Pentathon? Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? sports in this article Basketball tags in this article Fan On This Day SportsEngine