MLB matchup analysis

Pirates vs Reds Prediction, Odds and Model Pick

Friday, July 31, 2026 at Great American Ball Park · 6:10 PM ET

Pass

LyDia decision: Pass on Pirates vs Reds

Lab Rating
3.0/10
Model probability
61.9%
Market probability
53.6%
Model edge
+8.3%
Best moneyline
-118
Sportsbooks checked
9
LyDia model
61.9%
Market
53.6%

The case for Pittsburgh Pirates

Market mispricing: +8.3%
LyDia makes Pittsburgh Pirates 61.9% to win while the no-vig market says 53.6%. LyDia rates this side +8.3% better than the price implies.
Starting pitcher edge: 32 points
LyDia gives Paul Skenes a 32-point edge over Hunter Greene, driven mainly by ERA (3.65 vs 7.06) and WHIP (1.06 vs 1.34).

Why it is not official

Below the 72.0% official gate
Win probability is 61.9%. 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 3.0/10, under the 8.0/10 required for an official pick.
Own bullpen carries risk: 8.8/10
The Pittsburgh Pirates bullpen comes in high risk. A lead after six innings is less safe than usual.

Why the setup score is what it is

Conviction: 8.23/30
LyDia leans toward Pittsburgh Pirates, but not strongly enough to earn full conviction credit.
Model agreement: 0/20
LyDia runs two independent reads on this game. The team-strength model gives Pittsburgh Pirates a 47.5% chance; the run-projection model gives 74.4%. They disagree by 26.9 points, so the published number is a blend between two methods that do not agree, not a shared read.
Bullpen: 6.18/15
LyDia does not see a meaningful bullpen edge for Pittsburgh Pirates once assigned innings are weighted.
Offense: 0/10
Pittsburgh Pirates's recent form does not clearly outpace Cincinnati Reds's.
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

MatchupPittsburgh Pirates at Cincinnati Reds
DateFriday, July 31, 2026
First pitch6:10 PM ET
VenueGreat American Ball Park
Starting pitchersPaul Skenes vs Hunter Greene
WeatherGame-time forecast: 89°F, 0% precipitation chance, 8 mph wind from E.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Paul SkenesPirates · RHP
3.65ERA
1.06WHIP
11.1K/9
24.7%K-BB%
vs
Hunter GreeneReds · RHP
7.06ERA
1.34WHIP
12.0K/9
23.4%K-BB%
MetricPiratesReds
Pitching planTraditional starterTraditional starter
Expected innings5.55.4
ThrowsRR
LyDia pitcher score (higher is better)7543
BB/9 (lower is better)2.12.9
HR/9 (lower is better)0.81.2
Ground-ball rate45.1%30.6%
IP per start (higher is better)5.55.4

Pitcher edge: LyDia gives Paul Skenes a 32-point edge over Hunter Greene, driven mainly by ERA (3.65 vs 7.06) and WHIP (1.06 vs 1.34).

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 →

Paul Skenes strikeouts
8.2 LyDia projected Ks
No K play · +0.7K difference is below LyDia's 0.7K threshold
Market 7.5K · O -138 / U +120 · 6 books
Hunter Greene strikeouts
7.9 LyDia projected Ks
No K play · +0.4K difference is below LyDia's 0.7K threshold
Market 7.5K · O +120 / U -140 · 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.

Pirates are 3-7 in their last 10, averaging 3.8 runs per game over the last 15 days, and hitting below their season form; Reds are 6-4 in their last 10 and averaging 3.7 runs per game over the last 15 days. On the season Pirates carry the better run differential per game (+0.33 against -0.64).

MetricPiratesReds
Last 103-76-4
OPS, last 15 days0.6590.704
Runs per game, last 15 days3.83.7
K% last 15 days (lower is better)26.7%26.6%

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

Season profile

Full Stats page →
MetricPiratesReds
Record55-5551-57
Run differential / game (team quality)+0.33-0.64
Runs scored / game (offense, season)5.144.10
Runs allowed / game (defense, season, lower better)4.814.74
Season OPS0.7550.704
K% season (lower is better)24.1%25.2%
OPS vs opposing hand (season)0.7790.684

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. Pirates and Reds are highlighted.

Pirates
Combined risk
8.8 High risk
Fatigue
9.3 High risk
Efficiency
6.1 Effective
Reds
Combined risk
7.9 Tired
Fatigue
8.8 High risk
Efficiency
6.9 Effective

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.

MetricPiratesReds
Fatigue9.3/10, High risk8.8/10, High risk
Efficiency6.1/10, Effective6.9/10, Effective
Combined risk8.8/10, High risk7.9/10, Tired
Relief innings, last 3 days19.720.7
Back-to-back arms34
3-day ERA1.831.31
3-day WHIP1.531.16

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
5.8
Market total
8.0
Projected away runs
3.7
Projected home runs
2.1
Over price
+100
Under price
-110
Pittsburgh Pirates team total
3.7 projected
Line 4.5 · O +116 / U -140
Under research lean (-0.8)
Cincinnati Reds team total
2.1 projected
Line 3.5 · O -103 / U -110
Under research lean (-1.4)

The model projects 2.2 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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