Washington Nationals vs Houston Astros – MLB prediction – July 8, 2026

Nationals and Astros set for one last scrap in Washington

It is tough to know which way to lean after the first two games of this series. Washington took a wild opener, 12-11, before Houston settled things down and answered with a far more controlled 6-3 win. One apiece, then, and a decider to settle it.

This time, the pitching matchup could put a lid on both lineups. Foster Griffin has been excellent for the Nationals this season, while Spencer Arrighetti has the tools to keep Washington in check. After totals of 23 and then 9 runs through the first two games, this one could well be tighter.

Washington Nationals : Griffin to restore some order

Washington have already shown both sides of their offense in this series. Twelve runs in game one, then just three in game two. The Nationals can string together big innings, but the production is still hard to call from one night to the next.

A more controlled game might actually suit them better. The Washington Nationals do not need another shootout like the opener. With Foster Griffin on the mound, they have a starter who can keep things close and give his hitters a chance to work.

The left-hander has turned in an excellent season, posting a 2.87 ERA and a 1.04 WHIP. His ability to keep runners off base should matter against Houston. If he finds the strike zone early, the Astros may struggle to put together the kind of big innings that blow a game open.

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Houston Astros : avoid another mess like game one

Houston responded exactly as they needed to after the chaos of the opener. The Astros were much sharper on the mound and allowed just three runs as they dragged the series back level.

The offense can score from top to bottom, but it is still a bit uneven. Against Griffin, the visitors will probably need patience. Chances may be thinner here, and every at-bat with runners on base will matter more.

Spencer Arrighetti will have to keep his composure above all else. His 3.81 ERA is respectable, but 38 walks are the main concern. Washington have an attack that can cash in quickly on free passes. If he avoids that trap, the right-hander has more than enough to keep the Nationals on a manageable total.

MLB prediction : Washington Nationals vs Houston Astros

Under 9.5 runs in the game

The 12-11 in game one will still be fresh in the memory, but this decider is a different setup. Foster Griffin is Washington’s most reliable starter in this series, and the numbers back up his case as a strong bet to keep Houston in check.

Arrighetti brings more risk, mainly because of those walks, but he has enough quality to stop Washington from getting rolling the way they did in game one. His control is the key: without repeated free passes, the Nationals will have to build their runs the hard way.

With Griffin capable of setting a steady tempo early and Arrighetti good enough to limit the damage, this winner-takes-all game can stay under control. After two wildly different contests, the under 9.5 runs looks like the best call for the rubber match.

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