Heat 104, Bucks 91
James collected 22 points and six assists as the visitors pulled away in the second half to claim victory.
Ray Allen scored 23 points off the bench and Dwyane Wade made up for a 1-for-12 shooting performance with nine rebounds, 11 assists and five steals for the Heat, who will go for the sweep in Game Four on Sunday.
Larry Sanders had 16 points and 11 rebounds and Ersan Ilyasova had 15 points and eight boards as the Bucks struggled to overcome 13 second-half turnovers.
Milwaukee led by as many as 10 points in the first half and was within 67-66 with three minutes left in the third quarter when Miami began to take charge.
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Bulls 79, Nets 76
Carlos Boozer had 22 points and 16 rebounds and Luol Deng added 21 and 10 as host Chicago defeated Brooklyn 79-76 to take a 2-1 lead in the best-of-seven Eastern Conference series.
Kirk Hinrich added 12 points and the Bulls held off a fierce late-game rush by the Nets. Game Four is on Saturday in Chicago.
Brook Lopez had 22 points, nine rebounds and seven blocked shots and Deron Williams added 18 points for Brooklyn.
The Nets trailed by 15 with less than six minutes left and had a chance to force overtime but C.J. Watson air-balled a three-pointer from the left corner as time expired.
Both teams shot less than 40 percent - Chicago finished at 39.7 and Brooklyn at 34.6.
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Grizzlies 94, Clippers 82
Zach Randolph had 27 points and 11 rebounds as host Memphis knocked off Los Angeles 94-82 to win its first game in the Western Conference best-of-seven series.
Marc Gasol scored 16 points and Tony Allen and Quincy Pondexter added 13 apiece as the Grizzlies trimmed the Clippers' lead in the series to 2-1. Game Four is on Saturday in Memphis.
Blake Griffin scored 16 points and Matt Barnes added 12 for Los Angeles. Chris Paul struggled to eight points and had more turnovers (five) than assists (four).
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