Written by: Jake Turner
Jake is a veteran sports analyst with over 10 years of MLB prop betting experience.
Angels vs Mariners: Betting Preview & Props (Sep 13)
Last updated: September 13, 2025Game Time: 9/13, 09:40PM
Brief Intro
Tonight, the Los Angeles Angels face off against the Seattle Mariners in a matchup that pits two intriguing pitching arsenals against each other. The Mariners come in as strong favorites, with DraftKings listing them at -220, while the Angels are +178 underdogs. A substantial 87% of the betting money is backing the Mariners, highlighting the perceived edge for the home team.
Starting Pitching Analysis
Pitching Matchup: Mitch Farris vs Bryan Woo
Mitch Farris (LAA):
- Four-Seam Fastball (47% usage, 90.4 mph)
- Changeup (30% usage, 77.4 mph)
- Slider (23% usage, 81.5 mph)
Mitch Farris is a pitch-mix artist, relying heavily on his diverse selection to keep hitters off balance. His lower velocity is compensated by a strategic mix of fastballs and off-speed pitches. The Mariners' lineup has averaged .254 this season but projects to hit just .236 against Farris' arsenal, suggesting a potential for Farris to neutralize Seattle's bats effectively.
Bryan Woo (SEA):
- Four-Seam Fastball (47% usage, 95.7 mph)
- Sinker (26% usage, 95.4 mph)
- Slider (10% usage, 88.5 mph)
- Sweeper (9% usage, 85.0 mph)
- Changeup (8% usage, 89.6 mph)
Bryan Woo brings a velocity-heavy approach, with a powerful fastball and sinker combination complemented by a variety of off-speed offerings. The Angels' lineup, which averages .230 this season, is expected to improve slightly to .244 against Woo's pitches, indicating they might find some success against his high-velocity mix.
Lineup Advantage vs Arsenal
Lineup Matchups & Batting Edges
For LAA vs Bryan Woo:
- The Angels lineup averages .230 this season but projects to .244 vs Woo's arsenal.
- Jo Adell: Season BA .242 → xBA vs arsenal .286 (+44 points), Season K% 25.8% → Arsenal K% 24.5% (-1.3%)
- Taylor Ward: Season BA .226 → xBA vs arsenal .200 (-26 points), Season K% 25.5% → Arsenal K% 20.8% (-4.7%)
For SEA vs Mitch Farris:
- The Mariners lineup averages .255 this season but projects to .236 vs Farris' arsenal.
- Jorge Polanco: Season BA .262 → xBA vs arsenal .283 (+21 points), Season K% 15.5% → Arsenal K% 14.5% (-1.0%)
- Victor Robles: Season BA .280 → xBA vs arsenal .198 (-82 points), Season K% 20.3% → Arsenal K% 20.7% (+0.4%)
Lineup Strikeout Trends vs Arsenal
Strikeout Risks & Rewards
- The Angels' projected K-rate is 24.5% vs Woo — down 2.2% from their 26.7% season average.
- The Mariners' projected K-rate is 24.7% vs Farris — up 3.4% from their 21.3% season average.
Plate Umpire Analysis
Behind the Plate: Umpire assignment has not yet been announced, which makes prop volatility a concern.
What to Bet On
📢 Prop Alert: Jo Adell (.242 → .286, +44 points) meets betting lean criteria!
No significant strikeout prop opportunities meet our betting threshold in this matchup.
🔑 Key Takeaways
- Jo Adell stands out with a significant batting advantage against Bryan Woo, making him a prime candidate for prop betting.
- Both teams exhibit different strikeout trends, with the Angels' lineup showing reduced strikeout expectations against Woo.
- The umpire's identity remains unknown, adding uncertainty to prop bets, especially those reliant on strike zone tendencies.
- Despite the Mariners being strong favorites, the Angels have potential pockets of offensive success, especially through Adell.
🧠 FAQs
Q: Who is the best betting prop for the Angels vs Mariners game? A: Jo Adell meets our strict betting criteria with a projected xBA of .286 against Bryan Woo.
Q: Is the umpire a pitcher-friendly umpire? A: Umpire assignment is TBA, making it difficult to assess their tendencies.
Q: What time is the Angels vs Mariners game? A: The game is scheduled for 9/13, 09:40PM.
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