"I knew he wasn't expecting me to throw a fastball down the middle," Beckett said.
A pitch before striking out, Utley took a few steps toward first base when he thought a 3-1 delivery was ball four. Instead, it was strike two.
Utley left the clubhouse before reporters arrived.
"He had real good stuff right down to the final batter," Phillies manager Ryne Sandberg said. "Our best hitter not swinging at the last two strikes is an indicator right there."
Beckett walked off the mound, pumped his fist and was mobbed by teammates. He got a standing ovation from the crowd of 36,141 at Citizens Bank Park on his way to the dugout.
"That was a lot of fun," Dodgers manager Don Mattingly said. "He's been throwing well all year and his breaking ball and change keep getting better."
Last July, Beckett had a rib removed in thoracic outlet syndrome surgery to fix a condition that was affecting his right arm. He went 0-5 with a 5.19 ERA in eight games in 2013.
Beckett (3-1) started this season on the disabled list with a thumb injury, raising more doubts about how effective he would be for a team with postseason expectations.
"I just wanted to help the team," he said. "You always want to be part of the solution, not part of the problem."
Beckett was the MVP of the 2003 World Series for the Marlins, capping off their championship run by pitching a five-hit shutout in the clinching Game 6 at Yankee Stadium.
Roy Halladay had the only other no-hitter at cozy Citizens Bank Park, doing it for the Phillies in a 4-0 playoff win over Cincinnati on Oct. 6, 2010.
In 1988, Pascual Perez of the Expos held the host Phillies hitless for five innings at Veterans Stadium before the game was stopped because of rain. A Major League Baseball committee later ruled that no-hitters of less than nine innings didn't officially count.
Beckett walked Utley in the first and Marlon Byrd in the second before retiring 23 straight batters.
Beckett threw a one-hitter for the Red Sox at Tampa Bay on June 15, 2011. He allowed an infield single to current Phillies utilityman Reid Brignac in the third inning of a 3-0 win.
The Phillies were shut out for the fourth time in their last seven home games and seventh time this season.
Phillies righty A.J. Burnett (3-4) allowed four earned runs and 11 hits in seven innings in a matchup against his former Marlins teammate. Burnett is 1-3 with a 6.26 in his last four starts.
Gonzalez's RBI double to right-center with two outs in the first gave the Dodgers a 1-0 lead.
Justin Turner led off the second with a solo homer to straightaway center that just cleared the wall to make it 2-0. Turner singled and scored on Erisbel Arruebarrena's two-out single in the sixth, giving the Dodgers a 3-0 lead.
Sandberg allowed Burnett to lead off the bottom of the sixth instead of pinch-hitting for him with a 3-0 deficit. Burnett grounded out and then allowed three runs in the seventh.
Beckett followed Burnett as one of the prized young arms in Florida a decade ago. It was the fifth time they've faced each other and first matchup since Aug. 7, 2009, when Beckett was in Boston and Burnett pitched for the Yankees. New York won that game 2-0 in the 15th inning.
NOTES: Dodgers SS Hanley Ramirez remained out of the lineup because of a sore calf. ... The Phillies placed 3B Cody Asche on the DL with a left hamstring strain. ... Dodgers CF Matt Kemp, the 2011 NL MVP runner-up, wasn't in the starting lineup for the third straight game. Manager Don Mattingly said Kemp will start playing some LF. The Dodgers finished a nine-game road trip with a 5-4 record. They're 18-11 on the road, 9-13 at home. ... The Dodgers return home to start a three-game series vs. Cincinnati on Monday. LHP Hyun-Jin Ryu (4-3) goes for LA against RHP Johnny Cueto (4-3). ... For the Phillies, RHP Kyle Kendrick (0-5) faces Colorado's Jhoulys Chacin (0-3) in the opener of a three-game set Monday.
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