The Celtics got another relatively easy win over the Miami Heat in Game 4 of their opening round series, thanks to 38 points from Derrick White. But the bigger story is losing Kristaps Porzingis to a calf injury in the first half. John Karalis of Boston Sports Journal explains why Game 5 is now a must-win closeout game because of the injury. Plus, why the defense was good enough, and why their game plan against the Heat takes away any math advantage Miami is hoping for.Support Us By Supporting Our Sponsors!Monopoly GO!Get in the game and join your friends. Download MONOPOLY GO! now free on The App Store or Google Play.NissanOur friends at Nissan have a lineup of SUV’s with the capabilities to take your adventure to the next level. Take the Nissan Rogue, Nissan Pathfinder, or Nissan Armada and go find your next big adventure. Shop NissanUSA.com.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.PrizePicksGo to PrizePicks.com/lockedonnba and use code lockedonnba for a first deposit match up to $100!GametimeDownload the Gametime app, create an account, and use code LOCKEDON for $20 off your first purchase.FanDuelFanDuel, America’s Number One Sportsbook. Right now, NEW customers get ONE HUNDRED AND FIFTY DOLLARS in BONUS BETS with any winning GUARANTEED That’s A HUNDRED AND FIFTY BUCKS – win or lose! 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)