MLB Recap · September 19, 2023

Baltimore Orioles at Houston Astros: Final Score & Recap

BAL9
Final
HOU5

Line Score

Team123456789RHE
BAL2030022009102
HOU2010020005101

The Story

The Baltimore Orioles defeated the Houston Astros 9-5 at Minute Maid Park on September 19, 2023, handing Houston a result that dropped the DiamondIQ model's estimate of a home win from 46% before first pitch to 0% by the final out. Baltimore struck early and often, scoring two in the first, three in the third, two in the sixth, and two more in the seventh to build an insurmountable advantage against a Houston pitching staff that could not contain the Orioles' lineup across multiple frames.

The defining performance of the night belonged to Austin Hays, whose two-home-run game accounted for a combined +35.1% in win probability and a RE24 of +3.2, making him the single most impactful batter in the contest by DiamondIQ's metrics. His third-inning solo shot off Hunter Brown was the largest single play of the game, swinging win probability by +25.5%, and his seventh-inning home run off José Urquidy added another +10.7%. Heston Kjerstad joined Hays with a home run of his own off Urquidy in that same seventh inning, contributing +11.2% in win probability and extending what had already become a comfortable lead. On the Houston side, Yainer Diaz provided the Astros' most significant moment with a sixth-inning home run off Jorge López that added +15.0% to Houston's win probability and briefly tightened the game, finishing with +15.2% WPA and a RE24 of +1.6.

Baltimore's bullpen was a quiet but meaningful factor in preserving the outcome. DL Hall led Orioles pitchers with +5.5% WPA, followed by Yennier Cano at +2.8% and starter Jack Flaherty at +2.3%. The Orioles finished with 10 hits while committing two errors, matching Houston's hit total but outpacing the Astros in nearly every meaningful category the DiamondIQ model tracks.

Analysis generated by DiamondIQ's model.

Win Probability

755025BAL bats firstFinalHOU win %BAL win %
DiamondIQ model home win probability across the game (pre-game 46.1% → final 0%).

Biggest Plays by Win-Probability Added

Austin Hays Home Run
Top 3rd · off Hunter Brown
+25.5%
Yainer Diaz Home Run
Bot 6th · off Jorge López
+15.0%
Austin Hays Home Run
Top 7th · off José Urquidy
+10.7%
Mauricio Dubón Single
Bot 5th · off Kyle Gibson
+7.9%
Heston Kjerstad Home Run
Top 7th · off José Urquidy
+7.1%

Top Batters by WPA

Austin Hays+35.1%+3.2 RE24
Yainer Diaz+15.2%+1.6 RE24
Heston Kjerstad+11.2%+0.8 RE24

Top Pitchers by WPA

Full box score, pitch data, and the play-by-play timeline
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