Arizona Diamondbacks @ Cleveland Guardians
ADAwayArizona Diamondbacks49%
@CGHomeCleveland Guardians51%
Model PickCleveland Guardians 51%Market edge — disclosed after closing odds are collectedEvidence 12 structured
AI Summary grounded in real data · zero hallucination
The Cleveland Guardians are projected to have a slight edge over the Arizona Diamondbacks with a 51% win probability. This favoritism is primarily driven by the 'Starting Pitcher Matchup' (deltaPct 4.3) and 'Team ERA' (deltaPct 3.5), though their 'Last 10 Games Form' (deltaPct -6.2) is a significant negative factor. The market edge for this game is currently uncalculated.
Logistic-regression statistical model — predicts Arizona Diamondbacks vs Cleveland Guardians by accumulating the log-odds contributions of 12 proven structured metrics. Only structured metrics enter the probability; qualitative and folklore factors get a label only. Predictions are sealed with SHA-256 before the game.
Model factor contribution How the 51% home win was derived
Home Advantage+2.5
Pythagorean Expectation-1.1
Season Win%-0.6
Last 10 Games Form-6.2
Home/Away Split+0.1
Team OBP-0.6
Team SLG-1.8
Team ERA+3.5
Team WHIP+0.7
Starting Pitcher Matchup+4.3
Baseline 50% → final home win50.9%
Each factor's log-odds contribution accumulated · only structured metrics reflected (qualitative/folklore excluded) · each %p converts log-odds to probability, so it's non-linear — a simple sum may not exactly equal (final − baseline)
Structured metric analysis 12 metrics · fully disclosed
| Metric | Analysis (home vs away) | Source |
|---|---|---|
| Home Advantage | Cleveland Guardians at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 47.9% (441 RS/462 RA) vs Away 50.6% (508/501) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 56-56 (.500) vs Away 59-52 (.532) | MLB StatsAPI |
| Last 10 Games Form | Home 2-8 vs Away 7-3 · Home L2 | MLB StatsAPI |
| Home/Away Split | Home team home 27-28 · away team away 28-30 | MLB StatsAPI |
| Team OBP | Home .310 vs Away .314 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .370 vs Away .395 (OPS .680/.709) | MLB StatsAPI |
| Team ERA | Home 3.79 vs Away 4.20 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.27 vs Away 1.30 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Gavin Williams (ERA 3.71) vs Away Merrill Kelly (ERA 4.86) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .277 · K 928 · BB 401 / Away BABIP .280 · K 804 · BB 364 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.84 · HR9 1.12 / Away K/BB 2.33 · HR9 1.22 | MLB StatsAPI |
Qualitative & folklore factors None
This game has no extracted qualitative factors — we don't invent factors without a basis.
12 source headlines (auto-collected · basis disclosed)
- Arizona Diamondbacks at Cleveland Guardians Game Story, Scores/Highlights - 07/31/2026
- Diamondbacks 4-1 Guardians (Jul 31, 2026) Game Recap
- Guardians score tonight vs. Diamondbacks. How Cleveland rallied yet lost
- Diamondbacks vs Guardians Prediction, Picks & Odds for Tonight's MLB Game
- Series Preview #36: Diamondbacks @ Guardians
- Arizona Diamondbacks at Cleveland Guardians Game Story, Scores/Highlights - 08/01/2026
- Arizona Diamondbacks vs. Cleveland Guardians: Game Highlights
- How to Watch Diamondbacks-Guardians Game 2: Drake vs Messick
Frequently asked questions This game's prediction summary
Arizona Diamondbacks vs Cleveland Guardians — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Cleveland Guardians a 51% chance to win (Home 51% · Away 49%). MLB · 2026-08-03 02:40 KST.
How was the 50.9% home-win probability calculated?
Starting from a 50% baseline, we additively accumulate the log-odds contributions of 12 proven structured statistical metrics to reach the final 50.9%. Each factor's %p contribution is fully disclosed on the page; qualitative and folklore factors are not reflected in the probability.
Can this prediction be altered later?
No. Every prediction is sealed with a SHA-256 hash before the game starts and permanently recorded in the track record, making after-the-fact changes impossible. SealedSlate runs a transparent ledger that never inflates the hit rate and leaves missed predictions exactly as they were.
We don't compete on hit rate — every factor is fully disclosed and labeled. Only 📊 structured stats feed the probability (each factor's contribution shown in %p); ⚔️🔮 are context to weigh. Predictions are locked and sealed before the game — verify the hits directly on the track record.