MLB matchup analysis

Diamondbacks vs Guardians Prediction, Odds and Model Pick

Sunday, August 2, 2026 at Progressive Field · 1:40 PM ET

Analysis still building. This page is available to users but is not submitted for search indexing until these inputs are complete: market probability, market price.
Pass

LyDia decision: Pass on Diamondbacks vs Guardians

Lab Rating
3.8/10
Model probability
61.1%
Market probability
Not available
Model edge
Not available
Best moneyline
Not available
Sportsbooks checked
0

The case for Arizona Diamondbacks

Bats are hot: +0.103 OPS
Arizona Diamondbacks 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

Below the 72.0% official gate
Win probability is 61.1%. 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 3.8/10, under the 8.0/10 required for an official pick.
Not enough market edge
The model and the market are too close for the price to matter.

Why the setup score is what it is

Conviction: 7.27/30
LyDia leans toward Arizona Diamondbacks, but not strongly enough to earn full conviction credit.
Model agreement: 0.75/20
LyDia runs two independent reads on this game. The team-strength model gives Arizona Diamondbacks a 53.6% chance; the run-projection model gives 68.1%. They disagree by 14.5 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 Arizona Diamondbacks in this matchup.
The verdict LyDia passes. No market data available, so this stays research-only until pricing is checked.
Read the full model output

No market data available, so this stays research-only until pricing is checked.

Game information

MatchupArizona Diamondbacks at Cleveland Guardians
DateSunday, August 2, 2026
First pitch1:40 PM ET
VenueProgressive Field
Starting pitchersMerrill Kelly vs Gavin Williams
WeatherGame-time forecast: 79°F, 25% precipitation chance, 6 mph wind from SW.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Merrill KellyDiamondbacks · RHP
4.86ERA
1.45WHIP
5.8K/9
6.1%K-BB%
vs
Gavin WilliamsGuardians · RHP
3.71ERA
1.07WHIP
11.3K/9
24.4%K-BB%
MetricDiamondbacksGuardians
Pitching planTraditional starterTraditional starter
Expected innings5.86.1
ThrowsRR
LyDia pitcher score (higher is better)5376
BB/9 (lower is better)3.52.6
HR/9 (lower is better)1.81.4
Ground-ball rate47.1%52.8%
IP per start (higher is better)5.86.1

Pitcher edge: LyDia gives Gavin Williams a 23-point edge over Merrill Kelly, driven mainly by K-BB% (24.4% vs 6.1%) and K/9 (11.3 vs 5.8).

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.

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

Diamondbacks are 7-3 in their last 10, averaging 6.3 runs per game over the last 15 days, and swinging above their season form; Guardians are 2-8 in their last 10 and averaging 3.7 runs per game over the last 15 days. Season run differential separates them by almost nothing (+0.06 against -0.19).

MetricDiamondbacksGuardians
Last 107-32-8
OPS, last 15 days0.8120.683
Runs per game, last 15 days6.33.7
K% last 15 days (lower is better)16.2%20.7%

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

Season profile

Full Stats page →
MetricDiamondbacksGuardians
Record59-5256-56
Run differential / game (team quality)+0.06-0.19
Runs scored / game (offense, season)4.583.94
Runs allowed / game (defense, season, lower better)4.514.13
Season OPS0.7090.680
K% season (lower is better)19.2%22.1%
OPS vs opposing hand (season)0.6820.691

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. Diamondbacks and Guardians are highlighted.

Diamondbacks
Combined risk
8.3 High risk
Fatigue
7.8 Tired
Efficiency
4.0 Below average
Guardians
Combined risk
9.2 High risk
Fatigue
7.0 Tired
Efficiency
0.7 Struggling

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.

MetricDiamondbacksGuardians
Fatigue7.8/10, Tired7.0/10, Tired
Efficiency4.0/10, Below average0.7/10, Struggling
Combined risk8.3/10, High risk9.2/10, High risk
Relief innings, last 3 days9.06.3
Back-to-back arms67
3-day ERA6.0015.63
3-day WHIP1.222.53

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
12.8
Market total
Not available
Projected away runs
7.3
Projected home runs
5.6
Over price
Not available
Under price
Not available
Arizona Diamondbacks team total
7.3 projected
Line Not available · O Not available / U Not available
Market line pending
Cleveland Guardians team total
5.6 projected
Line Not available · O Not available / U Not available
Market line pending

The current model and market total cannot be compared yet. Team totals remain research-only until their graded sample is established.

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