NEW YORK — In a close vote, Tyson Chandler edged Serge Ibaka for Defensive Player of the Year. Chandler becomes the first player in Knicks franchise history to earn the honor. Chandler received 311 points, including 45 first-place votes, from a panel of 121 sportswriters and broadcasters throughout the United States and Canada. Oklahoma City’s Serge Ibaka finished second with 294 points (41 first-place votes) and Orlando’s Dwight Howard, who had won the award each of the previous three seasons, finished third with 186 points. Players were awarded