Chicago White Sox vs Houston Astros Preview
Today's Starting Matchup
Today's starting pitching matchup features Chicago White Sox's Luis Castillo (4-10, 5.31 ERA) against Houston Astros's Hunter Brown (4-3, 3.33 ERA).
Houston Astros's Hunter Brown posts an solid 3.33 ERA this season, while Luis Castillo has been shaky at 5.31. There is a clear gap in starting pitching quality.
Advanced metrics: Luis Castillo — FIP 4.90, K% 19.4%, 122.0 IP / Hunter Brown — FIP 4.36, K% 25.3%, 81.0 IP
Team Season Comparison
2026 season record: Chicago White Sox 73-66 (.525), Houston Astros 71-69 (.507).
Recent form: Chicago White Sox on a 1-game losing streak, Houston Astros on a 1-game win streak.
Based on starting pitching, Houston Astros holds the edge.
Bullpen Analysis
Chicago White Sox bullpen: 14 relievers on the active roster. Key arms: Anthony Kay 4.28 ERA, 113K in 136.2IP, Bryan Hudson (Closer) 3.09 ERA, 55K in 58.1IP, Davis Martin 4.32 ERA, 111K in 125.0IP.
Houston Astros bullpen: 14 relievers on the active roster. Key arms: AJ Blubaugh (Setup) 3.09 ERA, 86K in 84.1IP, Bennett Sousa (Setup) 6.53 ERA, 22K in 20.2IP, Bryan Abreu (Closer) 3.93 ERA, 68K in 52.2IP.
Win Probability
Projected win probability: Chicago White Sox 40% vs Houston Astros 60%
Factors: Houston Astros's starter owns the lower ERA, Houston Astros's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.
Key Tactical Points
Workload comparison: Luis Castillo averages 5.5 IP per start vs. Hunter Brown at 5.4 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.
Luis Castillo has allowed 23 HR this season — a concern against a lineup with extra-base power.