MLB matchup analysis

Giants vs Padres Prediction, Odds and Model Pick

Saturday, August 1, 2026 at Petco Park · 8:40 PM ET

Pass

LyDia decision: Pass on Giants vs Padres

Lab Rating
5.4/10
Model probability
80.8%
Market probability
56.7%
Model edge
+24.1%
Best moneyline
-138
Sportsbooks checked
5
LyDia model
80.8%
Market
56.7%

The case for San Diego Padres

Market mispricing: +24.1%
LyDia makes San Diego Padres 80.8% to win while the no-vig market says 56.7%. LyDia rates this side +24.1% better than the price implies.
Bats are hot: +0.145 OPS
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.

Why it is not official

Setup quality below the bar
Lab Rating is 5.4/10, under the 8.0/10 required for an official pick.
Own bullpen carries risk: 8.6/10
The San Diego Padres bullpen comes in high risk. A lead after six innings is less safe than usual.

Why the setup score is what it is

Model agreement: 0/20
LyDia runs two independent reads on this game. The team-strength model gives San Diego Padres a 60.3% chance; the run-projection model gives 92.1%. They disagree by 31.8 points, so the published number is a blend between two methods that do not agree, not a shared read.
Pitching plan: 6/20
No meaningful starting-pitcher edge favors San Diego Padres in this matchup.
Bullpen: 3.33/15
LyDia does not see a meaningful bullpen edge for San Diego Padres once assigned innings are weighted.
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

MatchupSan Francisco Giants at San Diego Padres
DateSaturday, August 1, 2026
First pitch8:40 PM ET
VenuePetco Park
Starting pitchersTyler Mahle vs Walker Buehler
WeatherGame-time forecast: 78°F, 1% precipitation chance, 7 mph wind from W.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Tyler MahleGiants · RHP
4.96ERA
1.40WHIP
8.1K/9
11.9%K-BB%
vs
Walker BuehlerPadres · RHP
5.13ERA
1.41WHIP
8.2K/9
11.3%K-BB%
MetricGiantsPadres
Pitching planTraditional starterTraditional starter
Expected innings5.24.8
ThrowsRR
LyDia pitcher score (higher is better)5453
BB/9 (lower is better)3.53.8
HR/9 (lower is better)1.31.2
Ground-ball rate50.9%52.5%
IP per start (higher is better)5.24.8

Pitcher edge: LyDia gives Tyler Mahle a 1-point edge over Walker Buehler, driven mainly by expected innings (5.2 vs 4.8) and BB/9 (3.5 vs 3.8).

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 →

Tyler Mahle strikeouts
4.2 LyDia projected Ks
No K play · -0.3K difference is below LyDia's 0.7K threshold
Market 4.5K · O +128 / U -161 · 6 books
Walker Buehler strikeouts
3.0 LyDia projected Ks
Official pick: UNDER 4.5K · -1.5K difference
Market 4.5K · O +133 / U -152 · 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.

Giants are 5-5 in their last 10, averaging 4.7 runs per game over the last 15 days, and hitting below their season form; Padres are 7-3 in their last 10, averaging 5.9 runs per game over the last 15 days, and swinging above their season form. Season run differential separates them by almost nothing (-0.46 against -0.13).

MetricGiantsPadres
Last 105-57-3
OPS, last 15 days0.6810.840
Runs per game, last 15 days4.75.9
K% last 15 days (lower is better)22.2%17.6%

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

Season profile

Full Stats page →
MetricGiantsPadres
Record47-6356-54
Run differential / game (team quality)-0.46-0.13
Runs scored / game (offense, season)4.194.19
Runs allowed / game (defense, season, lower better)4.654.32
Season OPS0.7230.695
K% season (lower is better)20.8%22.1%
OPS vs opposing hand (season)0.7330.702

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. Giants and Padres are highlighted.

Giants
Combined risk
6.1 Normal
Fatigue
6.7 Tired
Efficiency
6.3 Effective
Padres
Combined risk
8.6 High risk
Fatigue
10.0 High risk
Efficiency
7.9 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.

MetricGiantsPadres
Fatigue6.7/10, Tired10.0/10, High risk
Efficiency6.3/10, Effective7.9/10, Dominant
Combined risk6.1/10, Normal8.6/10, High risk
Relief innings, last 3 days10.720.7
Back-to-back arms46
3-day ERA1.690.87
3-day WHIP1.410.68

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
8.0
Projected away runs
1.7
Projected home runs
5.4
Over price
-107
Under price
-106
San Francisco Giants team total
1.7 projected
Line Not available · O Not available / U Not available
Market line pending
San Diego Padres team total
5.4 projected
Line Not available · O Not available / U Not available
Market line pending

The model projects 1.0 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.