Invisible Insider
July 20, 2025
Game Preview
Royals at Marlins MLB Betting Preview

Game Time: 7/20, 01:40 PM

1. Brief Intro

The Kansas City Royals will face off against the Miami Marlins in this intriguing MLB matchup. With DraftKings listing the Royals as a -127 favorite and the Marlins as a +104 underdog, 77% of bettors are backing Kansas City. This game presents several fascinating angles for bettors, notably in the pitcher-batter matchups and potential lineup advantages.

2. Pitcher Breakdown

Pitching Matchup: Kris Bubic vs. Janson Junk
Kris Bubic (KC):

Four-Seam Fastball (38% usage, 92.3 mph), Sweeper (21% usage, 83.0 mph), Changeup (21% usage, 85.6 mph), Slider (14% usage, 85.5 mph), Sinker (6% usage, 91.8 mph)
Kris Bubic is a velocity-heavy pitcher with a diverse mix that challenges batters with both speed and movement. The Miami lineup averages .270 this season, with a projected xBA of .271 against Bubic's arsenal.

Janson Junk (MIA):

Four-Seam Fastball (38% usage, 93.9 mph), Slider (28% usage, 86.7 mph), Sweeper (15% usage, 82.2 mph), Curveball (13% usage, 82.5 mph), Changeup (5% usage, 88.6 mph)
Janson Junk offers a similar velocity-focused approach, featuring a slightly higher fastball speed than Bubic. The Kansas City lineup averages .252 this season, with a projected xBA of .250 against Junk's offerings.

3. Lineup Advantage vs. Arsenal

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

The Royals lineup averages .252 this season but projects to .250 against Janson Junk's arsenal. Jr. Witt shows potential with a season BA of .290 moving to an xBA of .301 against Junk's pitches, indicating a +11 point boost. However, Maikel Garcia sees a notable decrease from .295 to .221, a drop of 74 points, highlighting a potential struggle.

For Home Team vs. Away Pitcher:

The Marlins lineup, with a season average of .264, projects to .271 against Kris Bubic's pitching. Dane Myers stands out with an increase from .273 to .343, a 70-point boost, signaling a strong matchup. Conversely, Heriberto Hernandez drops from .321 to .238, a significant 83-point decrease, suggesting difficulties against Bubic.

4. Lineup Strikeout Trends vs. Arsenal

Strikeout Risks & Rewards

The Royals' projected K-rate is 22.9% against Janson Junk, up 4.9% from their 18.0% season average. This indicates potential value in strikeout props. The Marlins' K-rate is expected to be 22.7% against Kris Bubic, slightly up from their 22.3% season average, suggesting moderate strikeout potential.

5. Umpire Influence

Behind the Plate: Umpire TBA

Umpire assignment has not been announced, which makes prop volatility a concern. Without specific umpire tendencies, bettors should be cautious regarding strikeout and walk props.

6. Betting Interpretation / Final Lean

Final Lean & Betting Takeaway

STEP-BY-STEP BETTING ANALYSIS:

STEP 1: Check ALL individual batters for prop opportunities
Jr. Witt (.290 → .301, +11 points) does not meet the threshold for a lean with an xBA below .300. Likewise, Maikel Garcia's decrease and Jac Caglianone's improvement do not meet the criteria for a betting lean.

STEP 2: Check team strikeout rates for pitcher props
The Royals' projected K-rate of 22.9% against Janson Junk does not meet the 25% threshold for a lean, despite a notable increase. Similarly, the Marlins' K-rate does not provide a strong statistical edge for a strikeout prop.

STEP 3: Report findings
No significant statistical edges meet our betting threshold in this matchup. While there are intriguing matchups, none align with the strict criteria for suggesting a confident betting lean.

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