Mailbag: Boston Celtics hire Jeff Van Gundy, Jayson Tatum defense, Derrick White credit

Time to open up the mailbag again to get into a roster breakdown halfway through camp and the Celtics bringing in Jeff Van Gundy and the very specific thing he can help Brad Stevens with. John Karalis of Boston Sports Journal gets into all of that, Jayson Tatum trying harder on defense, Derrick White getting the credit he deserves, a starting five of departed Celtics, and getting into color commentary. Support Us By Supporting Our Sponsors! Jase Medical Get $20 off these lifesaving antibiotics with Jase Medical by using code LOCKEDON at checkout on jasemedical.com. Gametime Download the Gametime app, create an account, and use code LOCKEDONNBA for $20 off your first purchase. Birddogs Go to birddogs.com/LOCKEDONNBA or enter promo code LOCKEDONNBA for a free water bottle with any purchase. You won’t want to take your birddogs off we promise you. Betterhelp This episode is sponsored by Betterhelp. Make your brain your friend, with BetterHelp. Visit BetterHelp.com/lockedonnba today to get 10% off your first month.  FanDuel This episode is brought to you by FanDuel Sportsbook, Official Sportsbook of Locked On. Right now, NEW customers can bet FIVE DOLLARS and get TWO HUNDRED in BONUS BETS - GUARANTEED. Visit FanDuel.com/LOCKEDON to get started. FANDUEL DISCLAIMER: 21+ in select states. First online real money wager only. Bonus issued as nonwithdrawable free bets that expires in 14 days. Restrictions apply. See terms at sportsbook.fanduel.com. Gambling Problem? Call 1-800-GAMBLER or visit FanDuel.com/RG (CO, IA, MD, MI, NJ, PA, IL, VA, WV), 1-800-NEXT-STEP or text NEXTSTEP to 53342 (AZ), 1-888-789-7777 or visit ccpg.org/chat (CT), 1-800-9-WITH-IT (IN), 1-800-522-4700 (WY, KS) or visit ksgamblinghelp.com (KS), 1-877-770-STOP (LA), 1-877-8-HOPENY or text HOPENY (467369) (NY), TN REDLINE 1-800-889-9789 (TN) Learn more about your ad choices. Visit podcastchoices.com/adchoices