October 20 , 1976 : As part of a 3 - team trade , the Denver Nuggets traded Ralph Simpson to the Detroit Pistons ; the Boston Celtics traded Paul Silas to the Denver Nuggets ; .
The Detroit Pistons traded Curtis Rowe to the Boston Celtics .
October 20 , 1976 : As part of a 3 - team trade , the Denver Nuggets traded Ralph Simpson to the Detroit Pistons ; the Boston Celtics traded Paul Silas to the Denver Nuggets ; and the Detroit Pistons traded Curtis Rowe to the Boston Celtics .