Feldman tossed seven innings of one-run ball, and the Astros stopped a three-game losing streak with a 7-4 victory over the Los Angeles Angels on Sunday.
"I just tried to go out and make my pitches," Feldman said. "The guys went out and got some early runs for me again. From there, just trying to throw strikes and not walk many guys."
Feldman (2-0), who signed a $30 million, three-year contract in December, allowed three hits and walked two in his second start of the season. He also pitched 6 2/3 scoreless innings in a victory over the New York Yankees on Opening Day.
He became one of four pitchers in Astros history to go at least 6 2/3 innings in his first two starts while allowing one run or less, joining Roger Clemens, Robin Roberts and Dean Stone.
"He's been outstanding," Houston manager Bo Porter said. "Again, giving us the start that he did today, obviously, we needed it with the bullpen getting taxed the last couple days. He gave us seven solid innings the way he did today was outstanding."
Chad Qualls got two outs for his first save of the season.
Feldman did not allow a hit until Josh Hamilton's two-out dribbler in the fourth went under the glove of the pitcher, who charged at it off the mound. He allowed his first run in 11 1/3 innings this season in the fifth on Erick Aybar's groundout to second that made it 4-1.
Feldman said he did not have great command of his pitches, but his curveball was there throughout the game. Castro, Feldman's batterymate, said the pitcher was helped by early run support.
"Any time we can put some runs up and then shut them out is huge moving forward," Castro said. "It keeps the momentum on our side. We were able to keep putting the pressure on the offense and he just kept doing his job coming out putting up zeroes."
Castro hit a two-run shot off the left-center facade in the first, and Dominguez, Guzman and Presley had solo homers in the second, fourth and fifth, respectively.
"We had some good swings on some pitches and the ball went out of the park," Presley said. "We had seven hits and five were home runs. That's a pretty good percentage. It's something you don't see every day, and we took advantage of it."
Weaver allowed five runs and five hits with six strikeouts over 5 2/3 innings. It was the third time that he had allowed four homers in a game and the first since Aug. 2, 2008, against the Yankees.
"I made a couple of mistakes and they did not miss them, obviously," Weaver said. "You know you are going to have games like that, but it is frustrating personally to start the year off like this. I have a bunch more to go, so I am just going to shake this one off and start thinking about who we've got next."
Los Angeles manager Mike Scioscia said he thought Weaver struggled with his command at times.
"He threw some good pitches and located some good fastballs," Scioscia said. "As the game went on, his changeup became part of what he was doing and had some success with it. But, just from the get-go he was having problem with commanding counts and repeating pitches, and he got behind."
Houston's five homers were its highest total since it hit five at the Chicago White Sox last Aug. 26.
Houston OF Dexter Fowler was out of the lineup for a third straight game due to a stomach virus. Fowler spent Friday night at Methodist Hospital and was released Saturday. Porter said Fowler was at home resting. ... Castro returned to the lineup after missing the previous two games with a bruise on his right foot. ... "A Haunted House 2" star Marlon Wayans threw out the first pitch. ... The Astros will send RHP Jarred Cosart (1-0) to the mound in the finale of the four-game series Monday against LHP C.J. Wilson (0-1) for the Angels.
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HOUSTON, TX - APRIL 06: Jered Weaver #36 of the Los Angeles Angels of Anaheim throws in the first inning against...