MLB matchup analysis

Pirates vs Padres Prediction, Odds and Model Pick

Tuesday, August 25, 2026 at Petco Park · 9:40 PM ET

Pass

LyDia decision: Pass on Pirates vs Padres

Lab Rating
5.3/10
Model lean
Padres 52.8%
Market probability
53.3%
Model edge
-0.4%
Best moneyline
-118
Sportsbooks checked
9
LyDia model
52.8%
Market
53.3%

The case for San Diego Padres

Late-inning bullpen advantage
Pittsburgh Pirates relievers have a 2.15 ERA over the last 7 days; San Diego Padres relievers have a 1.21. Pittsburgh Pirates also have 6 arms pitching on back-to-back days, against 3 for San Diego Padres. If this is still close after six innings, that gap favors San Diego Padres.
Bats are hot: +0.031 wOBA
San Diego Padres is outhitting its own season form over the last 15 days. Recent form is context, not a model input, but it points the same way here.

The case for Pittsburgh Pirates

The case is thin
The model finds little going Pittsburgh Pirates's way — it trails on the pitching plan, bullpen, and recent form. The main path to a Pittsburgh Pirates win is variance.

Why it is not official

Below the 61.0% official gate
Win probability is 52.8%. LyDia does not make a game official below 61.0%, 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 5.3/10, under the 7.2/10 required for an official pick.
Own bullpen carries risk: 6.8/10
The San Diego Padres bullpen comes in tired. A lead after six innings is less safe than usual.

Why the setup score is what it is

Conviction: 0/10
LyDia's own win probability for San Diego Padres (52.8%) is close enough to a coin flip that the rating credits little or no conviction -- credit only starts above 55%.
Pitching plan: 0/30
No meaningful starting-pitcher edge favors San Diego Padres in this matchup.
Bullpen: 6.54/10
San Diego Padres's bullpen carries a real edge over Pittsburgh Pirates's tonight.
Offense: 46.54/50
San Diego Padres's recent offensive form clearly outpaces Pittsburgh Pirates's over the tracked windows.

Why the price is what it is

Team strength: 54.4%
Before any pitcher or bullpen adjustment, LyDia's team-strength model alone makes San Diego Padres 54.4% to win. Everything below moves the price from this starting point.
Pitcher score gap: 0 points
The two starters grade essentially even on pitcher score -- this term does little to move the price either way.
Bullpen adjustment: +0.051
The bullpen-fatigue gap between the two pens nudges the price toward San Diego Padres. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 54.4% -> 52.8%
Team strength alone had San Diego Padres at 54.4%. After the pitcher and bullpen terms, the price is 52.8% -- the same number shown as Model Lean above.
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 San Diego Padres
DateTuesday, August 25, 2026
First pitch9:40 PM ET
VenuePetco Park
Starting pitchersPaul Skenes vs Michael King
WeatherGame-time forecast: 79°F, 1% precipitation chance, 5 mph wind from NW.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Paul SkenesPirates · RHP
vs
Michael KingPadres · RHP
MetricPiratesPadres
Pitching planTraditional starterTraditional starter
Expected innings5⅓5⅔
ThrowsRR
LyDia pitcher score (higher is better)7070
ERA (lower is better)3.953.38
WHIP (lower is better)1.141.17
K/9 (higher is better)11.17.7
K-BB% (higher is better)22.7%11.5%
K% (higher is better)29.8%21.0%
BB% (lower is better)7.2%9.5%
BB/9 (lower is better)2.73.5
HR/9 (lower is better)0.91.1
Ground-ball rate43.8%50.2%
Fly-ball rate56.2%49.8%

Pitcher edge: LyDia gives Michael King a 0-point edge over Paul Skenes, driven mainly by expected innings (5.7 vs 5.3) and ERA (3.38 vs 3.95).

How to read this: the scorecards above name the starters; every number lives in this table. Highlighted cells mark a gap big enough to matter. K% and BB% are strikeout and walk rate as a share of batters faced -- K-BB% is the two combined into one skill number. HR/9 is home runs allowed per nine innings. Ground-ball and fly-ball rate are neither good nor bad on their own: high ground-ball pitchers trade strikeouts for double plays and fewer home runs, and on this data source the two rates are complementary (they add to 100%), not independent reads.

Strikeout Projections Full strikeout projections →

Paul Skenes strikeouts
5.5 LyDia projected Ks
Qualifying projection: UNDER 6.5K · -1.0K difference
Market 6.5K · O +124 / U -144 · 6 books
Michael King strikeouts
4.5 LyDia projected Ks
Qualifying projection: UNDER 5.5K · -1.0K difference
Market 5.5K · O -103 / U -114 · 6 books

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

Pirates are 5-5 in their last 10 and averaging 4.2 runs per game over the last 15 days; Padres are 6-4 in their last 10 and averaging 4.8 runs per game over the last 15 days. Season run differential separates them by almost nothing (+0.20 against +0.11).

MetricPiratesPadres
Last 105-56-4
Last 10 by venue (away team on the road, home team at home)2-8 on the road8-2 at home
OPS, last 15 days0.6420.778
wOBA, last 15 days (hot/cold read)0.2860.344
Runs per game, last 15 days4.24.8
K% last 15 days (lower is better)26.2%20.8%

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

30-day offense

Full offense tool →
Last 30 daysPiratesPadres
OPS0.656 (-0.080 vs szn)0.766 (+0.060 vs szn)
Runs per game3.96 (-0.968 vs szn)4.78 (+0.490 vs szn)
wOBA (model offense input)0.293 (-0.033 vs szn)0.339 (+0.026 vs szn)
K% (lower is better)25.1% (+0.7% vs szn)19.5% (-2.3% vs szn)

Over the last 30 days the Padres have been the better offense, 0.339 wOBA to 0.293. They are running hot against their own season line (+0.026 wOBA). Pirates are striking out at 25.1% over the window — something the opposing starter can lean on.

Season profile

Full Stats page →
MetricPiratesPadres
Record64-6971-61
Run differential / game (team quality)+0.20+0.11
Runs scored / game (offense, season)4.934.29
Runs allowed / game (defense, season, lower better)4.744.17
Season OPS0.7360.706
K% season (lower is better)24.4%21.8%
OPS vs opposing hand (season)0.7640.711

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 Padres are highlighted.

Pirates
Combined risk
8.5 High risk
Fatigue
9.2 High risk
Efficiency
6.5 Effective
Padres
Combined risk
6.8 Tired
Fatigue
7.8 Tired
Efficiency
7.1 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.

MetricPiratesPadres
Fatigue9.2/10, High risk7.8/10, Tired
Efficiency6.5/10, Effective7.1/10, Effective
Combined risk8.5/10, High risk6.8/10, Tired
Relief innings, last 7 days29.322.3
Back-to-back arms63
7-day ERA2.151.21
7-day WHIP1.131.07

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
7.0
Market total
7.5
Projected away runs
2.8
Projected home runs
3.7
Over price
+107
Under price
-120
Pittsburgh Pirates team total
2.8 projected
Line 3.5 · O -105 / U -115
Under research lean (-0.7)
San Diego Padres team total
3.7 projected
Line 3.5 · O -111 / U -109
No team-total lean

The model and market are close. Team totals remain research-only until their graded sample is established.

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