Invisible Insider
July 13, 2025
Game Preview
Mariners at Tigers MLB Betting Preview

Game Time: 7/13, 01:40 PM

1. Brief Intro

The Seattle Mariners visit the Detroit Tigers in an intriguing matchup between two teams looking for momentum as we approach the mid-season mark. While the betting odds are not yet available for this game, the focus will be on the pitching duel between Logan Gilbert and Jack Flaherty.

2. Pitcher Breakdown

Pitching Matchup: Logan Gilbert vs. Jack Flaherty
Logan Gilbert (SEA):

Logan Gilbert brings a diverse arsenal to the mound, featuring a Slider (36% usage, 87.1 mph), Four-Seam Fastball (32% usage, 95.3 mph), Splitter (21% usage, 82.2 mph), Curveball (9% usage, 82.9 mph), and Sinker (2% usage, 95.6 mph). Gilbert's style leans towards a velocity-heavy approach, complemented by effective off-speed pitches. The Detroit lineup averages .253 this season with a projected xBA of .252 against Gilbert's mix, indicating a marginally tougher matchup for the Tigers' bats.

Jack Flaherty (DET):

Jack Flaherty relies heavily on his Four-Seam Fastball (46% usage, 92.8 mph), along with a Curveball (26% usage, 77.5 mph), Slider (23% usage, 84.4 mph), Changeup (3% usage, 85.7 mph), and Sinker (2% usage, 90.5 mph). Flaherty's approach is a balanced mix of speed and movement, which could challenge the Mariners. Seattle's lineup averages .264 this season but is projected to hit .249 against Flaherty, indicating a slight disadvantage.

3. Lineup Advantage vs. Arsenal

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

The Seattle Mariners average .264 this season but project to .249 against Jack Flaherty's arsenal. The batter with the biggest decrease in expected batting average is Cal Raleigh: Season BA .261 → xBA vs. arsenal .216 (-45 points), Season K% 25.5% → Arsenal K% 32.0% (+6.5%).

For Home Team vs. Away Pitcher:

The Detroit Tigers lineup averages .259 this season but projects to .253 against Logan Gilbert's arsenal. Parker Meadows shows a potential for the biggest increase: Season BA .200 → xBA vs. arsenal .256 (+56 points), Season K% 29.6% → Arsenal K% 35.0% (+5.4%). Conversely, Zach McKinstry shows the biggest decrease: Season BA .288 → xBA vs. arsenal .232 (-56 points), Season K% 21.4% → Arsenal K% 32.6% (+11.2%).

4. Lineup Strikeout Trends vs. Arsenal

Strikeout Risks & Rewards

The Mariners' projected K-rate is 23.3% vs. Jack Flaherty — up 3.0% from their 20.3% season average, indicating a possible increase in strikeouts. Meanwhile, the Tigers' projected K-rate is 28.6% vs. Logan Gilbert — up 5.3% from their 23.3% season average, suggesting a significant increase in strikeouts, which may present a potential strikeout prop opportunity.

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
Analyzing the batters, none meet the criteria of having an xBA over .300 while also having a boost over +20 points based on the current projections.

STEP 2: Check team strikeout rates for pitcher props
Detroit's projected K-rate against Logan Gilbert is 28.6%, which is over the 25% threshold and shows a +5.3% increase. This meets our criteria for a potential strikeout prop lean.

STEP 3: Report findings
Our final lean would be Logan Gilbert's strikeout OVER. The Tigers' projected K-rate jumps to 28.6% against Gilbert, up 5.3% from their 23.3% season average, indicating a strong statistical edge for a strikeout prop.

Want More Insider Analysis + Best Bets?

Unlock our top picks and in-depth breakdowns every day — all inside the Insider Bets dashboard for just $1.
Click below to get started!
Latest Posts
Get Better Bets Now!
OUR BEST DAILY BETS FOR $1
Share
All-Tools
Bankroll BuilderParlay CalculatorCustom SystemsBetting GuideInsider StatsFree Money