Atlanta Braves at Washington Nationals: Final Score & Recap

The Washington Nationals defeated the Atlanta Braves 9-5 at Nationals Park on September 1, 2026, turning what the DiamondIQ model assessed as a 42 percent pre-game home win probability into a near-certainty by the middle innings. The game's decisive stretch came in the bottom of the second, when the Nationals erupted for four runs against AJ Smith-Shawver. CJ Abrams delivered a single that shifted win probability by 12.6 percent in Washington's favor, and Brady House followed with a double worth an additional 11.2 percent swing. The Nationals carried that four-run cushion out of the second and never relinquished control, with the DiamondIQ model's estimate reaching 100 percent by game's end.

Atlanta briefly threatened to generate momentum in the top of the third, when Drake Baldwin contributed a double off Jake Irvin that added 16.1 percent win probability for the Braves. However, Matt Olson's lineout in that same inning cost Atlanta 7.8 percent in win probability and helped snuff the rally before it could materialize into something meaningful. The Braves added three runs in the top of the eighth to make the final score more respectable, but Washington countered with a run of their own and the outcome was never genuinely in doubt in the late innings.

On the pitching side, Jared Simpson was the standout performer for Washington, posting a game-high 18.7 percent WPA to anchor the Nationals' staff. Offensively, Abrams led all batters with a 14.0 percent WPA and a RE24 of plus-2.2, while House contributed 13.4 percent WPA and plus-1.9 RE24 to complement him in the heart of the Washington lineup. Atlanta finished with eight hits and one error against a Nationals defense that played a clean game, and Washington's 12-hit output proved more than sufficient to secure the comfortable victory.