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July 28, 2025
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Pirates at Giants MLB Betting Preview

Game Time: 7/28, 09:45 PM

1. Brief Intro

The Pittsburgh Pirates travel to San Francisco to take on the Giants in what promises to be an intriguing matchup. DraftKings lists the Giants as a -132 favorite, while the Pirates are sitting as a +109 underdog, with a significant 69% of the betting money backing the Giants. Bettors are clearly favoring the home team in this contest.

2. Pitcher Breakdown

Pitching Matchup: Mitch Keller vs. Carson Whisenhunt
Mitch Keller (PIT):

Keller brings a diverse pitch arsenal to the mound, including a Four-Seam Fastball (36% usage, 94.0 mph), Sweeper (17% usage, 82.2 mph), Slider (17% usage, 87.0 mph), Sinker (15% usage, 92.9 mph), Curveball (8% usage, 77.4 mph), and Changeup (7% usage, 89.1 mph). His style is a mix of velocity and movement, which can be challenging for hitters to decipher. The Giants lineup this season has an average of .242, with a projected xBA of .236 against Keller's diverse arsenal.

Carson Whisenhunt (SF):

Whisenhunt employs a mixed arsenal approach, making it difficult to predict his exact strategy. The Pirates lineup, averaging .250 this season, holds the same projected xBA of .250 when facing Whisenhunt's offerings. The lack of detailed pitch usage makes it a unique challenge for Pittsburgh's batters.

3. Lineup Advantage vs. Arsenal

Lineup Matchups & Batting Edges
For Away Team vs. Home Pitcher:

The Pirates lineup averages .250 this season and projects to .250 against Whisenhunt's mixed arsenal. No significant changes are noted among key performers, as data for individual batter adjustments is not available in this matchup.

For Home Team vs. Away Pitcher:

The Giants lineup averages .242 this season but projects to a lower .236 against Keller's arsenal. The most notable change is Jung Lee, who sees a significant decrease in expected performance: Season BA .252 → xBA vs. arsenal .207 (-45 points), Season K% 10.7% → Arsenal K% 16.8% (+6.1%).

4. Lineup Strikeout Trends vs. Arsenal

Strikeout Risks & Rewards

The Pirates’ projected K-rate remains steady at 22.5% against Whisenhunt, with no deviation from their season average of 22.5%.

The Giants' projected K-rate is 24.8% against Keller — up 1.8% from their 23.0% season average. This moderate increase suggests some potential for increased strikeouts, though it doesn't meet our threshold for a betting lean.

5. Umpire Influence

Behind the Plate: TBA

Umpire assignment has not been announced, which makes prop volatility a concern. Bettors should be cautious with strikeout and walk props until this information is available.

6. Betting Interpretation / Final Lean

Final Lean & Betting Takeaway

STEP-BY-STEP BETTING ANALYSIS:

STEP 1: Check ALL individual batters for prop opportunities
No individual batter from either team meets the criteria for a betting lean, as there are no xBA projections above .300 or significant boosts of over +20 points.

STEP 2: Check team strikeout rates for pitcher props
Neither team’s projected strikeout rates meet the criteria for a lean. The Giants show an increase but not enough to warrant an over lean.

STEP 3: Report findings
No significant statistical edges meet our betting threshold in this matchup. Bettors should monitor for any last-minute changes or announcements, especially regarding umpire assignments, which could influence betting angles.

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