The Astros look to keep their momentum rolling at home Tuesday night as they continue their series with the Boston Red Sox in a matchup that carries weight in both leagues’ playoff races. Houston has quietly built a three-game win streak at Daikin Park, finding ways to win tight games and generate timely offense. They’ll aim to make it four behind rookie right-hander Spencer Arrighetti, who’s still searching for consistent rhythm at the big-league level but will have the crowd at his back.

Arrighetti (1-2, 7.43 ERA) draws a challenge in a Boston lineup that’s had the upper hand in the season series, winning three of four meetings so far. The Red Sox counter with right-hander Dustin May, whose results have been streaky but who has shown flashes of dominance when his command is on.

Houston’s offense once again leans on Jose Altuve, who has 21 home runs and 63 RBIs, while Christian Walker has heated up with extra-base power over the last 10 games. For Boston, Trevor Story leads the charge with 73 RBIs, and Romy Gonzalez has been one of the American League’s hottest hitters in August.

The Astros’ winning formula this season has been simple — keep the ball in the yard. They’re 31-7 in games where they haven’t allowed a home run. The Red Sox follow their own blueprint, becoming almost impossible to beat when their bats come alive, posting a 42-12 record when scoring five or more runs.

With Houston clinging to a slim AL West lead (1 game) and Boston looking to keep pace in the AL East, Tuesday’s contest has all the makings of another charged night under the lights, where every pitch could shift the October picture.

BETMGM SPORTSBOOK LINE: Astros -117, Red Sox -103; over/under is 8 1/2 runs.

Injury updates and roster moves

Astros closer Josh Hader is heading to the 15-day IL with a left shoulder strain. RHP Shawn Dubin has been reinstated from the 15-day IL. LHP Colton Gordon has been recalled from Triple A and RHP Hector Neris has been designated for assignment.

MLB.com's Brian McTaggart shared some more updates in the post below

Astros lineup takeaways

The top 3 in the lineup remains the same, with Pena (SS) leading off, followed by Correa (3B), and Altuve (DH). Jesus Sanchez will hit cleanup and play right field, with Christian Walker now in the 5-spot playing first base. Yainer Diaz will hit sixth and catch, with Taylor Trammell batting seventh and playing left. Ramon Urias (2B) is back in the lineup after a huge game on Monday night, he'll hit eighth. Finally, Jacob Melton returns hitting ninth and playing center field.

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