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Baron Davis scored 29 and nailed the game-winning jumper with 0.3 seconds left to beat the Celtics.
Golden State 119, Boston 117 (F)
OAKLAND, Calif., Feb. 20 (AP) -- Baron Davis hit a 20-foot jumper with 0.3 seconds to play, and the Golden State Warriors beat the Boston Celtics 119-117 on Wednesday night, sending the NBA leaders to their second straight loss since Kevin Garnett's return.
Monta Ellis scored 12 of his 26 points in the fourth quarter, and Davis capped his 29-point performance with his latest incredible late-game heroics. Al Harrington added 22 points and 12 rebounds for the Warriors, who have won 13 of their last 18 games.
Paul Pierce scored seven of his 23 points in the final 1:38 to rally Boston, including two free throws with 6.5 seconds left. The Warriors turned over the game to Davis, who dribbled casually to the right side of the key before draining a fallaway jump shot, inciting the standing-room-only crowd at Oracle Arena.
Ray Allen hit six 3-pointers while scoring 32 points for the Celtics, and Garnett had 17 points and 15 rebounds while playing 31 minutes in his return from a strained abdominal muscle.
Boston has lost on the first two stops of its five-game West Coast road trip after falling at Denver on Tuesday.
Garnett, who had been out since Jan. 25, looked stronger in his second game back. But he scored just six points in the fourth quarter and went without a field goal in the final 8 minutes, while Allen managed just five points in the fourth -- none in the final 6:15.
Andris Biedrins had 21 points and 13 rebounds for the Warriors, who played without Stephen Jackson for the first time since his season-opening seven-game suspension. Jackson, their second-leading scorer, sprained his left ankle in Golden State's loss at Utah on Tuesday night.
Golden State had a small lead through most of the final minutes of regulation, but Pierce kept the Celtics close. The Warriors wasted a chance to run down the clock moments earlier when Matt Barnes inexplicably attempted an awkward layup around four Celtics with 14 seconds left -- and 10 seconds on the shot clock.
Pierce drew a blocking foul on Harrington and hit two tying free throws, but Davis added another remarkable shot to his lengthy history of late-game theatrics.
Boston held the NBA's highest-scoring team to its lowest output of the season in the clubs' first meeting this season, a 104-82 win for the Celtics in November. Golden State had that many points after three quarters in the rematch, and the Warriors won with a 37-point fourth quarter.
Jackson averages a career-best 20.6 points, 4.4 rebounds and 4.2 assists, but the swingman got hurt in the third quarter against Utah. Mickael Pietrus had 12 points in Jackson's place in the starting lineup, sharing minutes with Harrington.
Notes: The Warriors' standing-room-only crowd of 20,711 was the largest in franchise history and the largest ever to watch a basketball game in the state of California, the team claimed. Golden State has sold out 19 of its 27 home games. ... Celtics F Leon Powe, an Oakland native who played at Cal, had three points and four fouls in 14 minutes. ... Golden State reportedly was among the suitors for Garnett when Minnesota put him on the market last summer, but the Warriors' biggest acquisition at the position is Chris Webber, who had five points and four rebounds.