The Boston Celtics rallied from 11 points down heading into the fourth quarter to beat the Indiana Pacers 99-91.
Kyrie Irving notched up 37 points while Jayson Tatum scored 10 of his 26 points in the final frame, including a game-sealing dunk with 8.8 seconds to go.
Boston went on a 10-0 run in the final five minutes and outscored the Pacers 31-12 in the fourth quarter to take a 2-0 lead in the play-off series.
The Milwaukee Bucks put on another dominant performance as they thrashed the Detroit Pistons 120-99 in game two of their series.
Despite trailing by a point at half-time, the Bucks regained the momentum and outscored Detroit 62-40 in the second half.
2 down, 14 to go!! #FearTheDeer pic.twitter.com/bXcAx8GBXV — Milwaukee Bucks (@Bucks) April 18, 2019
Giannis Antetokounmpo led the way with 26 points and 16 rebounds as the side extended their series lead to 2-0.
And in the night's other game, James Harden recorded his third career play-off triple-double as the Houston Rockets overcame the Utah Jazz 118-98.
GAME 2: W #RunAsOne pic.twitter.com/19hl3vXldT — Houston Rockets (@HoustonRockets) April 18, 2019
The MVP candidate finished with 32 points, 13 rebounds and 10 assists, handing the Rockets a 2-0 series lead.
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