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Today · 7:15 PM ETLineup pendingAL Central / NL Central

Chicago White Sox   vs   St. Louis Cardinals Preview

September 12, 2026

Starting pitchers, lineup status, recent form and weather at Busch Stadium.

7:15 PM ET · Busch StadiumStats availableLineups not confirmed
T-Score59
Chicago White Sox
75–71 · 1st AL Central · T-Score 59
–
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First pitch 7:15 PM ET
St. Louis Cardinals
72–75 · 4th NL Central · T-Score 40
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T-Score40
First pitch 7:15 PM ET

Matchup at a glance

PitcherStat calculation
CategoryComparisonWhy
Starting pitcherCardinalsLeahy leads Castillo in P-Score (70 vs 42), WHIP and FIP.
Offense vs handSoxChicago has produced the stronger offense against right-handed pitching.
Team strengthSoxChicago leads 59–40 in T-Score, driven by stronger offense.
WeatherModerate impactA 13 mph wind could modestly increase carry on fly balls.

Starting pitchers

CWS
Luis Castillo RHP
Luis Castillo
Chicago White Sox
2026 season (MLB rank among qualified starters)
ERA
5.57
191st
WHIP
1.46
182nd
K/9
7.79
129th
BB/9
2.86
86th
P-Score42i
FIP
4.96
HR/9
1.71
200th
OPS/R
0.758
IP
126.0
2026 ERA splits
Home ERA4.80
Road ERA6.15
Last 5 starts
STL
Kyle Leahy RHP
Kyle Leahy
St. Louis Cardinals
2026 season (MLB rank among qualified starters)
ERA
3.41
48th
WHIP
1.33
122nd
K/9
8.45
94th
BB/9
2.59
59th
P-Score70i
FIP
3.57
HR/9
0.95
67th
OPS/R
0.593
IP
132.0
2026 ERA splits
Home ERA2.91
Road ERA3.94
Last 5 starts
How the starters differ
·Leahy owns the lower FIP, 3.57 to 4.96.
·Leahy allows the lower home-run rate: 0.95 vs 1.71 per nine.
·The WHIP gap favors Leahy, 1.33 to 1.46.
·Castillo enters with a 6.15 road ERA; Leahy owns a 2.91 ERA at home.
Advanced starter metricsERA−, FIP, WAR, career vs opponent
MetricCastilloLeahyNote
ERA−14183Park- and league-adjusted; 100 is average.
FIP4.963.57
WAR0.42.4Season value.

How the lineups match the starters' pitch mix

Pitch data coverage: partial. Usage and velocity only.

Castillo arsenal
PitchUsageVelo
Four-seam42%95.3
Slider25%85.6
Sinker19%95.4
Changeup15%87.4
Cutter0%92.3
Leahy arsenal
PitchUsageVelo
Four-seam26%94.2
Curveball16%83.0
Slider16%89.3
Changeup14%88.6
Sweeper14%84.8
Sinker13%94.2

Team OPS vs opposing starter's hand

Sox vs RHP (Kyle Leahy)
14th
in MLB
0.722OPS
.600.700.800.9001.000
Cardinals vs RHP (Luis Castillo)
26th
in MLB
0.698OPS
.600.700.800.9001.000

Lineups

Lineup pendingOrder from the stored snapshot; treat as unofficial until the card is filed.Full lineup page →
Lineups not announced

Neither club has posted a batting order. Handedness composition, H-Score leaders and batter-vs-pitcher samples appear here as soon as the first order is filed — typically two to three hours before first pitch.

Team comparison

ResultsCWSCWS·STLSTL
+23410th
Run differential
+18118th
75–71 Record72–75
Last 10 games
Chicago White Sox (0–0)
St. Louis Cardinals (0–0)
2026 head-to-head
Season Series
0—0
0 Games Played

Frequently asked

Who is starting for the Sox?+
Luis Castillo is listed as the starter.
Who is starting for the Cardinals?+
Kyle Leahy is listed as the starter.
What time does the game start?+
7:15 PM ET at Busch Stadium.
Where is the game being played?+
Busch Stadium, home of the St. Louis Cardinals.
Are the lineups confirmed?+
Not yet. Orders appear here when they are posted.
How do the starters compare on P-Score?+
Luis Castillo is at 42; Kyle Leahy is at 70. P-Score is PitcherStat's 0–100 season index for qualified starters.