Arizona Diamondbacks @ Cleveland Guardians
ADAwayArizona Diamondbacks39%
@CGHomeCleveland Guardians61%
Model PickCleveland Guardians 61%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 1 qualitative
AI Summary grounded in real data · zero hallucination
Our model projects the Cleveland Guardians with a 61% win probability, favoring them over the Arizona Diamondbacks. The primary drivers for this pick are the Guardians' advantages in 'Starting Pitcher Matchup' (deltaPct 8.9) and 'Team ERA' (deltaPct 4.1). A key swing risk is the Guardians' inferior 'Last 10 Games Form' (deltaPct -2.5) compared to the Diamondbacks. The market edge for this pick 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 61% home win was derived
Home Advantage+2.5
Pythagorean Expectation-0.6
Season Win%-0.2
Last 10 Games Form-2.5
Home/Away Split+0.6
Team OBP-0.4
Team SLG-1.8
Team ERA+4.1
Team WHIP+0.7
Starting Pitcher Matchup+8.9
Baseline 50% → final home win61.3%
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 48.5% (432 RS/446 RA) vs Away 50.0% (492/492) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 56-54 (.509) vs Away 57-52 (.523) | MLB StatsAPI |
| Last 10 Games Form | Home 4-6 vs Away 6-4 · Home W1 | MLB StatsAPI |
| Home/Away Split | Home team home 27-26 · away team away 26-30 | MLB StatsAPI |
| Team OBP | Home .310 vs Away .313 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .369 vs Away .393 (OPS .679/.706) | MLB StatsAPI |
| Team ERA | Home 3.73 vs Away 4.20 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.26 vs Away 1.29 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Tanner Bibee (ERA 3.89) vs Away Mitch Bratt (ERA 6.32) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .277 · K 913 · BB 394 / Away BABIP .279 · K 792 · BB 359 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 2.85 · HR9 1.12 / Away K/BB 2.33 · HR9 1.22 | MLB StatsAPI |
Qualitative & folklore factors 1 factors · fully disclosed
Qualitative · Wild Card Pressure Cooker
Both the Diamondbacks and Guardians are currently in the thick of their respective wild-card races, creating significant psychological pressure that could impact player performance.
Basis: LLM · news · Guardians, D-backs feeling heat of their respectiv
12 source headlines (auto-collected · basis disclosed)
- Series Preview #36: Diamondbacks @ Guardians
- Arizona Diamondbacks at Cleveland Guardians Preview - 07/31/2026
- Diamondbacks vs. Guardians (Jul 31, 2026) Pregame
- Guardians, Arizona Diamondbacks series preview, pitching matchups
- Watch Arizona Diamondbacks vs. Cleveland Guardians
- Arizona Diamondbacks vs. Cleveland Guardians - Live Score - July 31, 2026
- Where to watch Arizona Diamondbacks vs Cleveland Guardians: TV channel, start time, streaming for July 31
- Cleveland Guardians vs. Arizona Diamondbacks Series July 31 - Aug. 2: Odds, Starting Pitchers & Predictions
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 61% chance to win (Home 61% · Away 39%). MLB · 2026-08-01 08:10 KST.
How was the 61.3% 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 61.3%. 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.