The Celtics won in dramatic fashion over the Nets as time expired to take Game 1, 115-114. Jayson Tatum's spinning lay-up was the dagger. Check out all the highlights. BOSTON, MASSACHUSETTS - APRIL 17: Jayson Tatum #0 of the Boston Celtics celebrates the game winning basket as Kyrie Irving #11 of the Brooklyn Nets looks on during the fourth quarter of Round 1 Game 1 of the 2022 NBA Eastern Conference Playoffs at TD Garden on April 17, 2022 in Boston, Massachusetts. The Celtics defeat the Nets 115-114. (Photo by Maddie Meyer/Getty Images)Photo: Getty Images