Invisible Insider
July 18, 2025
Game Preview
Cardinals at Diamondbacks MLB Betting Preview

Game Time: 7/18, 09:40 PM

1. Brief Intro

In tonight's matchup between the St. Louis Cardinals and Arizona Diamondbacks, the Diamondbacks are favored, according to DraftKings, with a line of -132, while the Cardinals stand as +108 underdogs. With 57% of the money backing Arizona, this game presents intriguing angles for bettors aiming to capitalize on pitcher and lineup strengths.

2. Pitcher Breakdown

Pitching Matchup: Andre Pallante vs. Brandon Pfaadt
Andre Pallante (STL):

Andre Pallante features a diverse pitching arsenal with a Four-Seam Fastball (47% usage, 94.4 mph), Slider (27% usage, 87.7 mph), Sinker (14% usage, 94.9 mph), and Curveball (13% usage, 78.0 mph). Pallante’s approach relies on a balanced mix of velocity and movement, tailored to keep batters off balance. The Arizona Diamondbacks lineup averages .256 this season, with a projected xBA of .245 against Pallante's arsenal, suggesting a slight edge for Pallante.

Brandon Pfaadt (AZ):

Brandon Pfaadt brings a versatile six-pitch mix, including a Four-Seam Fastball (31% usage, 93.6 mph), Sweeper (21% usage, 84.6 mph), Sinker (20% usage, 93.3 mph), Changeup (16% usage, 87.6 mph), Curveball (10% usage, 82.5 mph), and Cutter (3% usage, 89.9 mph). This repertoire allows him to adapt to various hitters. The Cardinals lineup, averaging .263 this season, projects to hit .245 against Pfaadt's arsenal, indicating a potential challenge for St. Louis.

3. Lineup Advantage vs. Arsenal

Lineup Matchups & Batting Edges
For STL vs. Brandon Pfaadt:

The Cardinals lineup averages .264 this season but projects to .245 against Pfaadt’s arsenal. Notably, Nolan Gorman shows the biggest increase with a season BA of .219 to a projected .253 (+34 points), while Brendan Donovan experiences the biggest decrease from .297 to .269 (-28 points), indicating potential volatility against Pfaadt's mix.

For AZ vs. Andre Pallante:

The Diamondbacks lineup averages .257 this season but projects to .245 against Pallante. Jake McCarthy stands out with the biggest increase, improving from a .144 season BA to .225 (+81 points), whereas Jose Herrera sees a significant drop from .320 to .220 (-100 points), highlighting variances in performance against Pallante's style.

4. Lineup Strikeout Trends vs. Arsenal

Strikeout Risks & Rewards

The Cardinals' projected K-rate is 21.23% against Pfaadt — up 2.71% from their 18.52% season average, suggesting a modest increase in strikeout risk. Conversely, the Diamondbacks’ projected K-rate is 20.47% against Pallante — up 3.09% from their 17.38% season average, indicating a similar trend.

5. Umpire Influence

Behind the Plate: TBA

Umpire assignment has not been announced, which makes prop volatility a concern.

6. Betting Interpretation / Final Lean

Final Lean & Betting Takeaway

STEP-BY-STEP BETTING ANALYSIS:

STEP 1: Check ALL individual batters for prop opportunities
After examining the batting data, no individual batter meets the criteria of an xBA greater than 0.300 with a boost of more than +20 points. Therefore, no batter leans are recommended.

STEP 2: Check team strikeout rates for pitcher props
Neither the Cardinals' nor the Diamondbacks' strikeout rates meet the criteria of an arsenal K% greater than 25% with an increase of more than 4%. Thus, no strikeout prop leans are suggested.

STEP 3: Report findings
No significant statistical edges meet our betting threshold in this matchup, indicating a cautious approach without strong leans on either side.

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