MLB Recap · September 17, 2023

Houston Astros at Kansas City Royals: Final Score & Recap

HOU7
Final
KC1

Line Score

Team123456789RHE
HOU002110003781
KC010000000171

The Story

The Houston Astros handed the Kansas City Royals a 7-1 defeat at Kauffman Stadium on September 17, 2023, a result the DiamondIQ model's estimate rendered inevitable by game's end, with Kansas City's pre-game win probability of 30 percent collapsing to zero. Houston built its lead incrementally, scoring in five of nine innings and putting the game away with a three-run ninth, while Framber Valdez and the Astros bullpen kept the Royals largely in check throughout.

The decisive turning point came in the middle innings, where Houston's offense systematically dismantled Jordan Lyles. Chas McCormick's single in the third inning carried a win-probability swing of plus-9.5 percent, igniting a two-run frame that gave Houston its first lead. Jake Meyers then extended that advantage with a home run in the fourth worth plus-10.4 percent in win probability, followed by Yordan Alvarez's solo home run in the fifth adding another plus-9.2 percent swing. Kansas City's best hope of responding was extinguished by its own hitters, as Matt Duffy grounded into a double play in the sixth off Valdez at minus-7.9 percent, and Logan Porter's double-play ball in the seventh cost the Royals another 11.1 percent in win probability.

Individually, Alvarez led all players with a plus-16.3 percent WPA and a RE24 of plus-2.2, while McCormick contributed plus-10.7 percent WPA and Meyers added plus-9.3 percent WPA with a RE24 of plus-1.4. On the mound, Valdez was the anchor with plus-13.8 percent WPA, supported by Bryan Abreu at plus-5.2 percent and Jackson Kowar at plus-2.1 percent, as Houston's pitching staff held Kansas City to a single run on seven hits.

Analysis generated by DiamondIQ's model.

Win Probability

755025HOU bats firstFinalKC win %HOU win %
DiamondIQ model home win probability across the game (pre-game 30.3% → final 0%).

Biggest Plays by Win-Probability Added

Logan Porter Grounded Into DP
Bot 7th · off Framber Valdez
-11.1%
Jake Meyers Home Run
Top 4th · off Jordan Lyles
+10.4%
Chas McCormick Single
Top 3rd · off Jordan Lyles
+9.5%
Yordan Alvarez Home Run
Top 5th · off Jordan Lyles
+9.2%
Matt Duffy Grounded Into DP
Bot 6th · off Framber Valdez
-7.9%

Top Batters by WPA

Yordan Alvarez+16.3%+2.2 RE24
Chas McCormick+10.7%+1.3 RE24
Jake Meyers+9.3%+1.4 RE24

Top Pitchers by WPA

Full box score, pitch data, and the play-by-play timeline
Open Game Center →