Early Preview Lineups: Confirmed Odds Posted 6 min read

St. Louis Cardinals vs Houston Astros Preview

St. Louis Cardinals (11-8, W3) visit Houston Astros (8-13, L2) at Daikin Park. Pallante vs McCullers Jr. in low-scoring matchup Friday night

St. Louis Cardinals at Houston Astros MLB game preview for April 18, 2026
STL
St. Louis Cardinals
Andre Pallante RHP
@
7:10 PM ET
Daikin Park
HOU
Houston Astros
Lance McCullers Jr. RHP
Last updated Saturday, April 18, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
St. Louis Cardinals at Houston Astros
Date
Saturday, April 18, 2026
First Pitch
7:10 PM ET
Venue
Daikin Park
Probable Starters
Andre Pallante (RHP) vs Lance McCullers Jr. (RHP)
Lineups
Confirmed
Odds Snapshot
Apr 18, 7:11 PM ET
Last Updated
Apr 18, 6:09 PM ET

Betting Board

Snapshot Apr 18, 7:11 PM ET
Moneyline
STL +125
HOU -135
Total
Over 9 -105
Under 9 -115
Run Line
STL +1.5 -162
HOU -1.5 +134

Model Angles

NRFI Model
NRFI · 58%
+7.2% edge
Projected Total
5.0
model combined runs
Park Factor
N/A
First Pitch Weather
Roof
Climate controlled
The St. Louis Cardinals bring a three-game winning streak into Daikin Park on Friday night to face the Houston Astros, who are looking to snap a two-game losing streak. St. Louis enters with an 11-8 record, while Houston sits at 8-13. Andre Pallante takes the ball for the Cardinals, carrying a 4.80 ERA and 1.53 WHIP with 4.20 strikeouts per nine innings. Lance McCullers Jr. counters for the Astros with a 5.87 ERA, 1.30 WHIP, and 9.98 strikeouts per nine. The projected total sits at 5.0 runs, with St. Louis favored to score 2.7 and Houston 2.4. Pallante is projected for 4.2 strikeouts against a line of 3.5, while McCullers projects at 5.1 strikeouts versus a 4.5 line. The no run first inning shows a 58% probability with a 7.2% edge. Weather conditions are favorable with 72-degree temperatures and calm winds.
  • Cardinals carry 11-8 record and three-game winning streak into Houston
  • Astros sit 8-13 and have dropped two straight games
  • No run first inning shows 58% probability with 7.2% edge

Pitching Matchup

STL Away
Andre Pallante
RHP · 1-1 · 3 GS
ERA
4.80
WHIP
1.53
K/9
4.20
IP
15.0
Career: 4.34 ERA · 1.42 WHIP · 6.21 K/9
NRFI: 77.8%
1st Inn ERA: 4.50
HOU Home
Lance McCullers Jr.
RHP · 1-0 · 3 GS
ERA
5.87
WHIP
1.30
K/9
9.98
IP
15.1
Career: 3.74 ERA · 1.29 WHIP · 10.01 K/9

On the season, Andre Pallante holds the ERA edge in this matchup. Andre Pallante carries a 4.80 ERA and 1.53 WHIP, while Lance McCullers Jr. sits at 5.87 ERA and 1.30 WHIP.
Strikeout rates: Andre Pallante at 4.20 K/9, Lance McCullers Jr. at 9.98 K/9.
K projections: Andre Pallante at 4.2 (line 3.5)
Lance McCullers Jr. projected at 5.1 (line 4.5).
Andre Pallante has a 77.8% career NRFI rate. No first-inning data available for Lance McCullers Jr..
Both starters throw from the R side, limiting platoon splits for either lineup.

Strikeout Projections

Andre Pallante vs HOU
Proj: 4.2Line: 3.5
+0.7
Confidence:
Lance McCullers Jr. vs STL
Proj: 5.1Line: 4.5
+0.6
Confidence:
View all K projections on SlateIQ

Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.

Andre Pallante (St. Louis Cardinals) is projected for 4.2 strikeouts against a posted line of 3.5. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

Lance McCullers Jr. (Houston Astros) is projected for 5.1 strikeouts against a posted line of 4.5. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

The St. Louis Cardinals lineup is more vulnerable to strikeouts in this matchup. Houston Astros batters K at 22.0%, St. Louis Cardinals batters at 22.0%.

NRFI & First 5 Analysis

NRFI Model
58.5%
probability of NRFI
+7.2%
market edge
Monitor
Market implied: 51.2%Model: 58.5%
First 5 Innings
2.8est. F5 runs
STL
4.80 ERA
5.0 inn/start
HOU
5.87 ERA
5.0 inn/start
F5 lean: Moderate STL
STL K Projection
Andre Pallante
4.2proj
Line: 3.5
+0.7 NEUTRAL
Confidence
HOU K Projection
Lance McCullers Jr.
5.1proj
Line: 4.5
+0.6 NEUTRAL
Confidence
Explore all model projections

Our NRFI model analyzes both starting pitchers' first-inning profiles, the top-of-order hitters in each lineup, the umpire's historical zone, and environmental factors to produce a probability estimate. For this game, the model assigns a 58.5% probability of no runs in the first inning, compared to the market's implied probability of 51.2%.

  • That creates a moderate 7.2% edge on NRFI.
  • The best available line is NRFI -105 / YRFI -115 at FanDuel.
  • Home plate umpire Willie Traynor runs a average zone. See the umpire section below for full career data.
  • Our NRFI model sits at 15-17 (46.9%) on official picks this season.

Prop Edges

3 model signals detected
Hits (1+) Lean Hit 0.5
66.4%
Hits (1+) Lean Hit 0.5
65%
Hits (1+) Lean Hit 0.5
64.3%
See all today's picks and edges

Lineup & Matchup Breakdown

St. Louis Cardinals Confirmed
K%: 22.0
2Iván HerreraRC
Whiff rate: 28.0%Team page
Houston Astros Confirmed
K%: 22.0
2Yordan AlvarezLLF
3Carlos CorreaR3B
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are confirmed as of this writing.

St. Louis Cardinals K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Houston Astros K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Daikin Park
Park factor data unavailable
Home Plate Umpire
Willie Traynor
Average NRFI: 80.0% 15 games
Full umpire profile

Park factor data not available for Daikin Park.

Climate controlled. Roof expected closed. Standard 72F conditions, no wind factor.

  • Home plate umpire: Willie Traynor.
  • Career NRFI rate: 80.0% across 15 games tracked.
  • Zone tendency: Average.
  • K factor: 1.032 (above average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 5.0 combined runs, with St. Louis Cardinals projected for 2.7 and Houston Astros for 2.4.
  • That's 4.0 runs below the posted total of 9.0, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
St. Louis enters with momentum and a superior record, while Houston looks to reverse course at home. The low projected total of 5.0 runs reflects the expectation of a pitcher-friendly contest, with the NRFI showing solid probability and edge.
This preview is generated from thecapper.io projection models and publicly available data. All projections are model estimates, not guarantees. Gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.