The Boston Celtics edged out the Indiana Pacers with a 133-128 overtime victory in Game 1 of the Eastern Conference finals. Jayson Tatum scored 36 points, including crucial overtime points, while Jaylen Brown hit a game-tying 3-pointer. Jrue Holiday added a season-high 28 points. The Pacers, led by Tyrese Haliburton's 25 points, showcased impressive 3-point shooting.