September 21, 2025

Game Preview

Written by: Jake Turner

Jake is a veteran sports analyst with over 10 years of MLB prop betting experience.

Giants vs Dodgers: Betting Preview & Props (Sep 21)

Last updated: September 21, 2025

Game Time: 9/21, 04:10PM

Matchup Setup

The San Francisco Giants take on the Los Angeles Dodgers in a highly anticipated matchup at Dodger Stadium. The Dodgers are heavily favored with DraftKings listing them at -232, while the Giants are +186 underdogs. An overwhelming 76% of the betting money is backing the Dodgers, indicating strong public confidence in LA's chances.

Rotation Report

Pitching Matchup: Trevor McDonald vs Emmet Sheehan

Trevor McDonald (SF):

Trevor McDonald is known for his mixed arsenal, though specific pitch usage percentages and velocities are not provided in the data. This lack of detailed pitch information makes it challenging to categorize his style precisely, but his versatility suggests he could adjust to different lineups effectively. The Dodgers lineup has been consistent, averaging .250 this season with a projected xBA of .250 against McDonald's mixed offerings.

Emmet Sheehan (LAD):

Emmet Sheehan brings a well-defined pitch arsenal to the table:

Four-Seam Fastball (47% usage, 95.7 mph)
Slider (30% usage, 87.9 mph)
Changeup (17% usage, 86.3 mph)
Curveball (7% usage, 78.0 mph)

Sheehan's pitch mix leans towards velocity and movement, designed to keep hitters off balance. The Giants' lineup averages .236 this season but projects to .235 against Sheehan's diverse offerings.

Offensive Breakdown

Lineup Matchups & Batting Edges

For SF vs Emmet Sheehan:

The Giants lineup averages .236 this season but projects to .235 against Sheehan's arsenal.
Biggest Increase in xBA: Casey Schmitt: Season BA .233 → xBA vs arsenal .251 (+18 points), Season K% 24.1% → Arsenal K% 27.1% (+3.0%)
Biggest Decrease in xBA: Jung Lee: Season BA .263 → xBA vs arsenal .237 (-26 points), Season K% 11.3% → Arsenal K% 16.8% (+5.5%)

For LAD vs Trevor McDonald:

The Dodgers' lineup averages .250 this season, matching their projected xBA against McDonald's arsenal.

Strikeout Trends

Strikeout Risks & Rewards

The Giants' projected K-rate is 22.4% vs Sheehan — up 1.6% from their 20.8% season average. This suggests potential value in strikeout props for Sheehan, given the increased strikeout tendency.
The Dodgers' projected K-rate of 22.5% vs McDonald aligns with their season average, indicating no significant change in strikeout propensity.

Behind the Plate

Behind the Plate: Umpire assignment has not been announced, which makes prop volatility a concern.

What to Bet On

📢 Prop Alert: No Giants players meet our strict betting criteria, as no batter's xBA exceeds .300 with a boost of more than +20 points.

⚡ K Prop Alert: Emmet Sheehan strikeout OVER - Giants' K-rate jumps to 22.4% vs this arsenal!

🔑 Key Takeaways

Player Edges: Casey Schmitt shows the most promise in the Giants' lineup with an 18-point xBA boost against Sheehan.
Pitcher Prop Opportunities: Emmet Sheehan offers potential strikeout value, given the Giants' increased K-rate.
Umpire Impact: Uncertainty in umpire assignment adds volatility to this matchup, particularly for prop bets.
Overall Recommendation: Lean towards strikeout props for Sheehan, given the Giants' elevated K-rate against his arsenal.

🧠 FAQs

Q: Who is the best betting prop for the SF vs LAD game? A: No players meet our strict betting criteria.

Q: Is the umpire a pitcher-friendly umpire? A: Umpire assignment is TBA, adding uncertainty to the matchup.

Q: What time is the SF vs LAD game? A: The game is at 9/21, 04:10PM.

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