Derrick White, Jayson Tatum extensions, Wyc Grousbeck selling stake in Boston Celtics

The Celtics did the expected on Monday, giving Derrick White and Jayson Tatum the biggest possible extensions each could get. And then they did the unexpected, announcing Wyc Grousbeck was selling his stake in the team. John Karalis of Boston Sports Journal break it all down, including why Grousbeck is selling now, why he's sticking around for four more years, and why the transition will be very familiar for Celtics fans. Support Us By Supporting Our Sponsors!eBay MotorsFrom brakes to exhaust kits and beyond, eBay Motors has over 122 million parts to keep your ride-or-die alive. With all the parts you need at the prices you want, it’s easy to bring home that big win. Keep your ride-or-die alive at EbayMotors.com. Eligible items only. Exclusions apply. eBay Guaranteed Fit only available to US customers.GametimeDownload the Gametime app, create an account, and use code LOCKEDON for $20 off your first purchase. Terms apply.FanDuelFanDuel, America’s Number One Sportsbook. As playoffs wind down, the sports stop sporting like we want them to. But this summer, FanDuel is hooking up ALL CUSTOMERS with a boost or a bonus, DAILY! That’s right, there’s something for everyone, every day, all summer long! Visit FANDUEL.COM/LOCKEDON and add a big win to your summer bucket list!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)