Chris Forsberg talks with Marcus Smart's high school coach, Kenny Boren, about Smart's development throughout his career. What have been the biggest factors to Smart's consistency this season? Has he proven he deserves to win Defensive Player of the Year?1:00-Looking back on the Celtics' decision to extend Marcus Smart6:30-Kenny Boren discusses Smart's ability to remain confident during the ups and downs of his career11:00-How Smart has benefitted from moving to a true point guard role14:30-Making the case for Smart to win DPOYWatch on YouTube: https://youtu.be/nb4aDH_ZA3oSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.