The most surprising series of the second round of the NBA playoffs so far is the one between the Boston Celtics and the New York Knicks. After the Celtics won the four games between the two teams ...

AP Photo/Harry Harris) The Celtics and Knicks battled it out for the Eastern Conference crown in back-to-back seasons in the early-to-mid 1970s. In 1973, New York took a 3-1 series lead before ...