HOUSTON (AP) - The Houston Astros are quickly getting accustomed to celebrating walk-off wins.

After earning their first walk-off win of the season Friday, the Astros followed it up with their first extra-inning win Saturday night.

Scott Moore hit an RBI single with none out in the bottom of the 10th inning, lifting the Astros to a 6-5 victory over the Milwaukee Brewers.

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Moore, who came to bat with runners on third with less than two outs twice before in the game and was unable to capitalize, was happy to get his first career walk-off hit.

``I was just trying to get a pitch out over the plate to put the barrel on,' Moore said. ``If I could get the ball in the outfield, there is a good chance we are going to score. I was in that situation like three times tonight, and fortunately, I was able to come through the last one.'

Jose Altuve led off the 10th with an infield single off Jim Henderson (0-1). Marwin Gonzalez and Steve Pearce followed with walks to load the bases before Moore singled, giving Houston consecutive wins for the first time since June 26-27.

``It was nice to do it in back to back nights,' Houston manager Brad Mills said. ``When you don't do it all season and you do it in back to back nights, that's really nice and everyone enjoys it.'

The Astros were 0-11 in extra innings before Friday's win.

Milwaukee rallied to tie the game three times, sending it to extras on Jean Segura's RBI groundout in the ninth inning. Rickie Weeks led off the ninth with a double off Wilton Lopez (5-1).

``(Henderson) did his job the first inning and we put him back out there, but he's not going to be perfect all the time,' Brewers manager Ron Roenicke said. ``I thought we did a nice job of battling back and scoring runs once we got behind.'

Dallas Keuchel allowed four runs - two earned - on five hits with a career-high six strikeouts for Houston. Keuchel struck out six batters in his four starts in July and had allowed 27 runs - 25 earned - over 25 innings in his last five outings.

``It's nice to be able to go out there and command the ball to both sides of the plate and up and down,' Keuchel said. ``I felt good from the get go.'

Marco Estrada lasted only four innings for Milwaukee, allowing four runs on seven hits with three strikeouts. Estrada has not won since Aug. 23, 2011.

``I just felt completely out of whack out there,' Estrada said. ``It was the worst I've felt all year, and I let a bad team beat me.'

Tyler Greene put Houston ahead 5-4 with a solo home run to right-center in the fifth off Livan Hernandez.

Greene, who was acquired on Thursday by the Astros from St. Louis for a player to be named or cash, had a double and scored twice in his first start with Houston.

The Brewers loaded the bases in the seventh with two outs, but Mickey Storey struck Carlos Gomez out looking to end the threat.

After the inning, Gomez was ejected by home plate umpire Gary Darling for arguing the called third strike.

After the game, Gomez went on a profanity-laced rant mostly directed toward Darling.

``I have never gotten thrown out in my career, but that guy, I had to tell something,' Gomez said.

Milwaukee tied it at 4-apiece in the fifth on a two-run double by Norichika Aoki scoring Jonathan Lucroy, who had doubled, and Segura, who had singled.

Altuve singled with one out and stole second before Brett Wallace singled to right field in the third. An error by Aoki allowed Altuve to score. Pearce followed with an RBI triple to lift the lead to 4-2.

The Brewers tied it 2-all, capitalizing on an error by Wallace. After Aramis Ramirez singled and stole second to begin the inning, Corey Hart grounded to third, but Wallace's throw to first went high, allowing Hart to move to second and Ramirez to score. Hart scored two batters later on a Lucroy sacrifice fly.

Houston jumped on Estrada early as Greene led off with a double and Altuve singled. After a wild pitch allowed Altuve to move to second, Wallace popped out to the catcher. Pearce followed with a two-run single to center to give Houston a 2-0 lead.

NOTES: Astros INF Brian Bixler cleared waivers and was outrighted to Triple-A Oklahoma City. He had been designated for assignment to make room on the roster for Greene. . Houston named Mike Elias as director of scouting, general manager Jeff Luhnow announced Saturday. ... Milwaukee RHP Shaun Marcum, who is on the 60-day DL with right elbow tightness, made his first rehab start Friday night for Class-A Wisconsin allowing one run on one hit with three strikeouts in three innings. He threw 36 pitches. ... Houston will start RHP Jordan Lyles, who is 2-8 with a 5.69 ERA, Sunday, while the Brewers will send Yovani Gallardo, who is 10-8 with a 3.79 ERA, to the mound in the series finale.