MLB matchup analysis

Marlins vs Mets Prediction, Odds and Model Pick

Friday, July 31, 2026 at Citi Field · 7:10 PM ET

Pass

LyDia decision: Pass on Marlins vs Mets

Lab Rating
6.4/10
Model probability
65.3%
Market probability
54.4%
Model edge
+11.0%
Best moneyline
-122
Sportsbooks checked
9
LyDia model
65.3%
Market
54.4%

The case for New York Mets

Market mispricing: +11.0%
LyDia makes New York Mets 65.3% to win while the no-vig market says 54.4%. LyDia rates this side +11.0% better than the price implies.

Why it is not official

Below the 72.0% official gate
Win probability is 65.3%. LyDia does not make a game official below 72.0%, no matter how good the price is. This is a value spot, not a high-confidence winner.
Setup quality below the bar
Lab Rating is 6.4/10, under the 8.0/10 required for an official pick.

Why the setup score is what it is

Conviction: 12.41/30
LyDia leans toward New York Mets, but not strongly enough to earn full conviction credit.
Model agreement: 9.69/20
LyDia runs two independent reads on this game. The team-strength model gives New York Mets a 60.9% chance; the run-projection model gives 69.6%. They disagree by 8.7 points, so the published number is a blend between two methods that do not agree, not a shared read.
The verdict LyDia passes. The combined Lab Rating did not clear the official threshold.
Read the full model output

The combined Lab Rating did not clear the official threshold.

Game information

MatchupMiami Marlins at New York Mets
DateFriday, July 31, 2026
First pitch7:10 PM ET
VenueCiti Field
Starting pitchersJanson Junk vs Freddy Peralta
WeatherGame-time forecast: 78°F, 1% precipitation chance, 8 mph wind from SE.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Janson JunkMarlins · RHP
4.89ERA
1.36WHIP
7.0K/9
11.7%K-BB%
vs
Freddy PeraltaMets · RHP
4.99ERA
1.48WHIP
8.9K/9
12.7%K-BB%
MetricMarlinsMets
Pitching planTraditional starterTraditional starter
Expected innings5.35.2
ThrowsRR
LyDia pitcher score (higher is better)5553
BB/9 (lower is better)2.43.8
HR/9 (lower is better)1.31.3
Ground-ball rate47.8%46.9%
IP per start (higher is better)5.35.2

Pitcher edge: LyDia gives Janson Junk a 2-point edge over Freddy Peralta, driven mainly by BB/9 (2.4 vs 3.8) and WHIP (1.36 vs 1.48).

How to read this: the scorecards show ERA, WHIP, K/9, and K-BB%. The table adds complementary traits without repeating them. Highlighted cells mark a gap big enough to matter. HR/9 is home runs allowed per nine innings. Ground-ball rate is neither good nor bad on its own: high ground-ball pitchers trade strikeouts for double plays and fewer home runs.

Strikeout Projections Full strikeout projections →

Janson Junk strikeouts
4.1 LyDia projected Ks
No K play · +0.6K difference is below LyDia's 0.7K threshold
Market 3.5K · O -157 / U +128 · 6 books
Freddy Peralta strikeouts
4.7 LyDia projected Ks
Official pick: UNDER 5.5K · -0.8K difference
Market 5.5K · O +115 / U -138 · 6 books

Projections are self-calibrated against graded results (100 graded starts). Official K picks require a 0.7+ strikeout edge, a posted price from at least two books, and a confirmed non-opener workload of at least four expected innings.

Same data source as the Pitcher Matchup Tool, where every starter on the slate is compared side by side.

Marlins are 3-7 in their last 10, averaging 3.4 runs per game over the last 15 days, and hitting below their season form; Mets are 5-5 in their last 10 and averaging 4.2 runs per game over the last 15 days. On the season Marlins carry the better run differential per game (+0.04 against -0.45).

MetricMarlinsMets
Last 103-75-5
OPS, last 15 days0.6760.712
Runs per game, last 15 days3.44.2
K% last 15 days (lower is better)25.5%26.6%

Last 15 days only. Hot and cold streaks for all 30 teams live on the Stats page.

Season profile

Full Stats page →
MetricMarlinsMets
Record55-5547-63
Run differential / game (team quality)+0.04-0.45
Runs scored / game (offense, season)4.394.12
Runs allowed / game (defense, season, lower better)4.354.56
Season OPS0.7330.687
K% season (lower is better)21.7%22.5%
OPS vs opposing hand (season)0.7430.683

Season-long team quality, not recent form. Run differential and run environment come from the season standings; splits for all 30 teams live on the Stats page, including the run environment table.

Every team on today's slate, on any two axes you pick. Marlins and Mets are highlighted.

Marlins
Combined risk
4.9 Normal
Fatigue
6.0 Normal
Efficiency
7.2 Effective
Mets
Combined risk
3.6 Normal
Fatigue
5.3 Normal
Efficiency
8.4 Dominant

Risk is what the model actually uses: fatigue blended with how well the pen has pitched. High fatigue with high efficiency is a tired pen that is still getting outs.

MetricMarlinsMets
Fatigue6.0/10, Normal5.3/10, Normal
Efficiency7.2/10, Effective8.4/10, Dominant
Combined risk4.9/10, Normal3.6/10, Normal
Relief innings, last 3 days8.08.7
Back-to-back arms41
3-day ERA2.250.00
3-day WHIP0.630.69

Fatigue measures workload. Efficiency measures recent run prevention. Combined risk is what the moneyline and totals systems use.

Run total projection

Full Totals Projections →
LyDia projection
3.6
Market total
8.5
Projected away runs
1.3
Projected home runs
2.3
Over price
-102
Under price
-112
Miami Marlins team total
1.3 projected
Line 3.5 · O -135 / U +110
Under research lean (-2.2)
New York Mets team total
2.3 projected
Line 4.5 · O +118 / U -139
Under research lean (-2.2)

The model projects 4.9 runs below the market total. A research lean still requires a setup rating of at least 7.0/10. Team totals remain research-only until their graded sample is established.

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Model outputs are not guarantees. LyDia provides analysis and education only. Every official pick remains visible on the Results page. 21+. If you or someone you know has a gambling problem, call 1-800-GAMBLER.